External FFI bindings 2,269 crates

libcRaw FFI bindings to platform libraries like libc.1,396,681,994MIT OR Apache-2.0External FFI bindingsNo standard library linux-raw-sysGenerated bindings for Linux's userspace API916,260,881Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITExternal FFI bindings winapiRaw FFI bindings for all of Windows API.433,388,264MIT/Apache-2.0External FFI bindingsNo standard library openssl-sysFFI bindings to OpenSSL399,343,445MITCryptographyExternal FFI bindings bindgenAutomatically generates Rust FFI bindings to C and C++ libraries.341,595,210BSD-3-ClauseDevelopment tools::FFIExternal FFI bindings winapi-utilA dumping ground for high level safe wrappers over windows-sys.337,579,787Unlicense OR MITExternal FFI bindingsOperating systems::Windows APIs security-framework-sysApple `Security.framework` low-level FFI bindings260,875,982MIT OR Apache-2.0External FFI bindingsOperating systems::macOS APIs libz-sysLow-level bindings to the system libz library (also known as zlib).210,102,766MIT OR Apache-2.0CompressionExternal FFI bindings libsqlite3-sysNative bindings to the libsqlite3 library190,242,852MITExternal FFI bindings system-configuration-sysLow level bindings to SystemConfiguration framework for macOS158,999,594MIT OR Apache-2.0External FFI bindingsOperating systems::macOS APIs bzip2-sysBindings to libbzip2 for bzip2 compression and decompression exposed as Reader/Writer streams.140,653,370MIT/Apache-2.0External FFI bindings jni-sysRust definitions corresponding to jni.h135,133,475MIT OR Apache-2.0External FFI bindings inotify-sysinotify bindings for the Rust programming language126,696,138ISCExternal FFI bindingsFilesystem ntapiFFI bindings for Native API99,287,493Apache-2.0 OR MITExternal FFI bindingsNo standard library cbindgenA tool for generating C bindings to Rust code.93,468,034MPL-2.0Development tools::FFIExternal FFI bindings objc2Objective-C interface and runtime bindings85,610,147MITAPI bindingsDevelopment tools::FFI block2Apple's C language extension of blocks75,256,260MITAPI bindingsDevelopment tools::FFI link-cplusplusLink libstdc++ or libc++ automatically or manually70,354,932MIT OR Apache-2.0CompilersDevelopment tools::FFI wayland-sysFFI bindings to the various libwayland-*.so libraries. You should only need this crate if you are working on custom wayland…61,906,417MITExternal FFI bindings objc2-foundationBindings to the Foundation framework61,344,014MITAPI bindingsDevelopment tools::FFI kqueue-sysLow-level kqueue interface for BSDs61,085,389MITExternal FFI bindingsFilesystem lzma-sysRaw bindings to liblzma which contains an implementation of LZMA and xz stream encoding/decoding. High level Rust bindings are…59,656,648MIT/Apache-2.0External FFI bindings objc2-core-foundationBindings to the CoreFoundation framework56,961,574Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI fs4No libc, pure Rust cross-platform file locks. Original fs2, now supports async and replace libc by rustix.55,515,475MIT OR Apache-2.0AsynchronousExternal FFI bindings librocksdb-sysNative bindings to librocksdb50,493,239MIT/Apache-2.0/BSD-3-ClauseAPI bindingsDatabase interfaces mach2A Rust interface to the user-space API of the Mach 3.0 kernel that underlies OSX.49,863,838BSD-2-Clause OR MIT OR Apache-2.0API bindingsExternal FFI bindings onig_sysThe `onig_sys` crate contains raw rust bindings to the oniguruma library. This crate exposes a set of unsafe functions which can…49,581,156MITExternal FFI bindings curl-sysNative bindings to the libcurl library47,134,861MITExternal FFI bindings dispatch2Bindings and wrappers for Apple's Grand Central Dispatch (GCD)43,581,880Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI machA Rust interface to the user-space API of the Mach 3.0 kernel that underlies OSX.42,136,762BSD-2-ClauseAPI bindingsExternal FFI bindings objc2-app-kitBindings to the AppKit framework42,023,476Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-quartz-coreBindings to the QuartzCore/CoreAnimation framework41,769,674Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-core-dataBindings to the CoreData framework38,244,154Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-core-imageBindings to the CoreImage framework36,777,199Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc-sysRaw bindings to the Objective-C runtime and ABI31,973,531MITExternal FFI bindingsOperating systems::macOS APIs libdbus-sysFFI bindings to libdbus.31,624,077Apache-2.0/MITExternal FFI bindingsOperating systems::Unix APIs ashVulkan bindings for Rust29,845,569MIT OR Apache-2.0API bindingsExternal FFI bindings rdkafka-sysNative bindings to the librdkafka library29,696,734MITExternal FFI bindings tree-sitterRust bindings to the Tree-sitter parsing library29,556,826MITAPI bindingsExternal FFI bindings objc2-core-graphicsBindings to the CoreGraphics framework29,491,075Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-io-surfaceBindings to the IOSurface framework28,923,404Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-cloud-kitBindings to the CloudKit framework28,732,569Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-ui-kitBindings to the UIKit framework28,151,093Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI jni-sys-macrosMacros for jni-sys crate25,836,777MIT OR Apache-2.0External FFI bindings android_log-sysFFI bindings to Android log Library.24,949,493MIT OR Apache-2.0External FFI bindings objc2-metalBindings to the Metal framework24,944,844Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI renderdoc-sysLow-level bindings to the RenderDoc API23,515,985MIT OR Apache-2.0Development tools::DebuggingExternal FFI bindings objc2-io-kitBindings to the IOKit framework22,357,076Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-core-locationBindings to the CoreLocation framework22,345,105Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-user-notificationsBindings to the UserNotifications framework22,294,550Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI ctyType aliases to C types like c_int for use with bindgen20,267,738MIT OR Apache-2.0Embedded developmentExternal FFI bindings sha3-asmRaw bindings for SHA-3 algorithms written in assembly19,029,680BSD-3-ClauseAlgorithmsCryptography libappindicator-sysRust sys bindings for libappindicator18,658,572Apache-2.0 OR MITExternal FFI bindings liblzma-sysRaw bindings to liblzma which contains an implementation of LZMA and xz stream encoding/decoding. High level Rust bindings are…17,183,211MIT OR Apache-2.0External FFI bindings objc2-core-textBindings to the CoreText framework16,974,586Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI vswhom-sysPure FFI to Jon Blow's VS discovery script16,812,324MITExternal FFI bindings android-propertiesRust-based Android properties wrapper16,582,279MITExternal FFI bindingsOperating systems vswhomFFI to Jon Blow's VS discovery script16,485,745MITExternal FFI bindings alsa-sysFFI bindings for the ALSA project (Advanced Linux Sound Architecture)16,021,615MITExternal FFI bindingsMultimedia::Audio libz-ng-sysLow-level bindings to zlib-ng (libz-ng), a high-performance zlib library.15,346,419MIT OR Apache-2.0CompressionExternal FFI bindings block-sysRaw bindings to Apple's C language extension of blocks14,591,355MITExternal FFI bindingsOperating systems::macOS APIs ittapi-sysRust bindings for ittapi12,753,697GPL-2.0-only OR BSD-3-ClauseDevelopment toolsExternal FFI bindings sasl2-sysBindings for Cyrus SASL.11,408,385Apache-2.0External FFI bindings protobuf-srcBuild system integration for libprotobuf.11,099,433Apache-2.0External FFI bindings objc2-web-kitBindings to the WebKit framework10,831,231Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI wepoll-ffiBindings for the wepoll library10,280,508MIT OR Apache-2.0 OR BSD-2-ClauseExternal FFI bindings allo-isolateRun Multithreaded Rust along with Dart VM (in isolate).9,916,385non-standardDevelopment tools::FFIExternal FFI bindings objc2-uniform-type-identifiersBindings to the UniformTypeIdentifiers framework9,902,248Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-contactsBindings to the Contacts framework9,901,251Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-symbolsBindings to the Symbols framework9,767,725Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-link-presentationBindings to the LinkPresentation framework9,766,127Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI perf-event-open-sysUnsafe, direct bindings for Linux's perf_event_open system call, with associated types and constants.8,817,564MIT OR Apache-2.0Development tools::ProfilingExternal FFI bindings objc2-system-configurationBindings to the SystemConfiguration framework8,418,994Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI brotli-sysRaw bindings to libbrotli8,126,632MIT/Apache-2.0External FFI bindings oboe-sysUnsafe bindings for oboe an android library for low latency audio IO8,020,667Apache-2.0External FFI bindingsMultimedia::Audio miniz-sysBindings to the miniz.c library.6,934,994MIT/Apache-2.0External FFI bindings fastly-sysFastly Compute ABI Bindings6,825,179Apache-2.0 WITH LLVM-exceptionExternal FFI bindingsWebAssembly icrateBindings to Apple's frameworks6,741,612MITAccessibilityAPI bindings objc2-core-videoBindings to the CoreVideo framework6,415,549Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI rb-sysRust bindings for the CRuby API6,042,250MIT OR Apache-2.0External FFI bindings zmq-sysLow-level bindings to the zeromq library6,004,996MIT/Apache-2.0External FFI bindings torch-sysLow-level FFI bindings for the PyTorch C++ api (libtorch).5,876,971MIT/Apache-2.0External FFI bindingsScience crash-contextProvides portable types containing target specific contextual information at the time of a crash5,865,928MITExternal FFI bindings dart-sysStatically generated, Opt-in style bindings to the Dart SDK5,734,053MIT OR Apache-2.0Development tools::FFIExternal FFI bindings lcms2-sysBindings for liblcms2 (Little CMS) with support for Linux, macOS, and Windows. See lcms2 crate for a safe Rust wrapper.5,650,255MITExternal FFI bindingsMultimedia::Images capstone-sysSystem bindings to the capstone disassembly library5,362,273MITExternal FFI bindings gmp-mpfr-sysRust FFI bindings for GMP, MPFR and MPC.5,292,396LGPL-3.0+External FFI bindingsMathematics boring-sysFFI bindings to BoringSSL5,255,779MITCryptographyExternal FFI bindings rustler_sysCreate Erlang NIF modules in Rust using the C NIF API.5,165,785MIT/Apache-2.0External FFI bindings objc2-securityBindings to the Security framework5,031,995Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI nvml-wrapper-sysGenerated bindings to the NVIDIA Management Library.4,886,218MIT OR Apache-2.0External FFI bindingsHardware support llvm-sysBindings to LLVM's C API4,774,849MITExternal FFI bindings mongocrypt-sysFFI bindings to libmongocrypt4,728,256Apache-2.0CryptographyDatabase interfaces sdl2-sysRaw SDL2 bindings for Rust, used internally rust-sdl24,560,819MIT AND ZlibExternal FFI bindingsGame engines fuserFilesystem in Userspace (FUSE) for Rust4,285,605MITAPI bindingsExternal FFI bindings lttng-ustSemi-automatically generate lttng-ust tracepoints (client code)4,244,415MITDevelopment tools::FFIDevelopment tools::Profiling mlua-sysLow level (FFI) bindings to Lua 5.5/5.4/5.3/5.2/5.1 (including LuaJIT) and Luau4,228,309MITExternal FFI bindings pwdSafe interface to pwd.h4,212,118CC-PDDCExternal FFI bindingsFilesystem objc2-javascript-coreBindings to the JavaScriptCore framework4,023,004Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI sys-mountHigh level FFI binding around the sys mount & umount2 calls3,994,623MIT OR Apache-2.0External FFI bindingsFilesystem objc2-osa-kitBindings to the OSAKit framework3,941,143Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI webpWebP conversion library.3,892,780MIT OR Apache-2.0External FFI bindings lmdb-master-sysRust bindings for liblmdb on the mdb.master branch.3,820,786Apache-2.0Database interfacesExternal FFI bindings mozjpeg-sysFFI bindings for MozJPEG v4. MozJPEG is automatically built and linked statically. Requires nasm and a C compiler.3,759,058IJG AND Zlib AND BSD-3-ClauseExternal FFI bindingsMultimedia::Images krb5-srcBuild system integration for libkrb5, MIT's Kerberos implementation.3,724,606Apache-2.0External FFI bindings selinux-sysFlexible Mandatory Access Control (MAC) for Linux3,510,549MITExternal FFI bindingsFilesystem opencvRust bindings for OpenCV3,461,911MITAPI bindingsComputer vision cblas-sysThe package provides bindings to CBLAS (C).3,335,658Apache-2.0 OR MITExternal FFI bindingsScience fts-sysFile hierarchy traversal functions (FTS)3,311,267MITExternal FFI bindingsFilesystem magic-sysDeclarations for the `libmagic` C library3,291,377MIT OR Apache-2.0External FFI bindingsNo standard library skia-bindingsSkia Bindings for Rust3,146,069MITExternal FFI bindingsGraphics foundationsA Rust service foundations library.3,136,988BSD-3-ClauseConfigurationDevelopment tools libduckdb-sysNative bindings to the libduckdb library, C API3,015,801MITDatabase interfacesExternal FFI bindings rquickjs-sysQuickJS bindings for rquickjs2,909,843MITExternal FFI bindings tss-esapiRust-native wrapper around TSS 2.0 Enhanced System API2,909,213Apache-2.0API bindingsCryptography tss-esapi-sysFFI wrapper around TSS 2.0 Enhanced System API2,842,577Apache-2.0API bindingsCryptography gbmlibgbm bindings for rust2,780,193MITExternal FFI bindings gbm-sysBindgen generated unsafe libgbm wrapper2,735,764MITExternal FFI bindings bindgen-cliAutomatically generates Rust FFI bindings to C and C++ libraries.2,684,458BSD-3-ClauseDevelopment tools::FFIExternal FFI bindings mysqlclient-sysAuto-generated rust bindings for libmysqlclient2,683,513MIT OR Apache-2.0Database interfacesExternal FFI bindings lmdb-rkv-sysRust bindings for liblmdb.2,630,345Apache-2.0Database interfacesExternal FFI bindings pcre2-sysLow level bindings to PCRE2.2,625,206Unlicense OR MITExternal FFI bindings objc2-core-audio-typesBindings to the CoreAudioTypes framework2,535,721Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-core-audioBindings to the CoreAudio framework2,524,362Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI lapack-sysThe package provides bindings to LAPACK (Fortran).2,429,937Apache-2.0 OR MITExternal FFI bindingsScience openvino-sysLow-level bindings for OpenVINO (use the `openvino` crate for easier-to-use bindings).2,421,201Apache-2.0External FFI bindingsScience inputlibinput bindings for rust2,405,020MITExternal FFI bindings input-sysBindgen generated unsafe libinput wrapper2,339,084MITExternal FFI bindings turbojpeg-sysRaw bindings for TurboJPEG2,246,764Unlicense OR MITCompressionExternal FFI bindings wepoll-sysRaw bindings to the wepoll library2,119,281MPL-2.0External FFI bindingsOperating systems::Windows APIs cfasttext-sysfastText ffi binding2,030,134MITAPI bindingsExternal FFI bindings sqlite3-sysThe package provides bindings to SQLite.1,983,328Apache-2.0 OR MITDatabase interfacesExternal FFI bindings odpic-sysBindings to Oracle Database Programming Interface for C (ODPI-C).1,978,256UPL-1.0/Apache-2.0Database interfacesExternal FFI bindings cryptoki-sysFFI wrapper around the PKCS #11 API1,903,331Apache-2.0API bindingsCryptography simsimdPortable mixed-precision BLAS-like vector math library for x86 and ARM1,866,876Apache-2.0External FFI bindingsHardware support odbc-sysODBC ffi bindings1,826,297MITDatabase interfacesExternal FFI bindings boring-sys2FFI bindings to BoringSSL1,814,140MITCryptographyExternal FFI bindings cryptokiRust-native wrapper around the PKCS #11 API1,794,378Apache-2.0API bindingsCryptography web-extensions-sysThis crate provides WebExtension API WASM bindings1,789,110MITExternal FFI bindingsWebAssembly objc2-audio-toolboxBindings to the AudioToolbox framework1,763,625Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI mdbx-sysRust bindings for libmdbx.1,660,409MPL-2.0Database interfacesExternal FFI bindings minimp3-sysRust bindings for the minimp3 library.1,570,776MITExternal FFI bindingsNo standard library z3-sysLow-level bindings for the Z3 SMT solver from Microsoft Research1,569,753MITExternal FFI bindingsNo standard library croaring-sysRaw bindings to CRoaring1,557,951Apache-2.0Data structuresExternal FFI bindings grpcio-sysFFI bindings to gRPC c core library1,550,599Apache-2.0External FFI bindingsNetwork programming libquickjs-sysQuickJS Javascript Engine FFI bindings1,513,512MITExternal FFI bindings harfbuzz-sysRust bindings to the HarfBuzz text shaping engine1,484,180MIT OR Apache-2.0External FFI bindingsInternationalization (i18n) libsql-sysNative bindings to libSQL1,464,752MITExternal FFI bindings objc2-avf-audioBindings to the AVFAudio framework1,456,957Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI wabt-sysBindings to the wabt library1,364,694Apache-2.0External FFI bindings pcsc-sysLow-level bindings to the PC/SC C API1,345,619MITExternal FFI bindingsHardware support darwin-libproc-sysFFI bindings for macOS libproc1,291,121Apache-2.0 OR MITExternal FFI bindingsOperating systems::macOS APIs autocxx-bindgenAutomatically generates Rust FFI bindings to C and C++ libraries. Version adjusted for autocxx.1,191,599BSD-3-ClauseDevelopment tools::FFIExternal FFI bindings python3-sysFFI Declarations for Python 31,171,924Python-2.0External FFI bindings libxlsxwriter-sysRust binding of libxlsxwriter1,119,272MITExternal FFI bindings unix-named-pipeEase creation of named pipes on Unix platform1,090,690MITExternal FFI bindingsOperating systems cassandra-cpp-sysA bindgen-generated Rust wrapper around the DataStax Cassandra C++ driver plus working examples. You probably want to use the…1,044,651Apache-2.0API bindingsDatabase interfaces cubecl-hip-sysRust bindings for AMD ROCm HIP runtime libraries used by CubeCL.953,442MIT OR Apache-2.0External FFI bindings libftdi1-sysFFI bindings for libftdi1951,688MITExternal FFI bindingsHardware support imgui-sysRaw FFI bindings to dear imgui943,403MIT OR Apache-2.0External FFI bindingsGUI cloudflare-zlib-sysCloudflare fork of zlib with performance improvements878,642ZlibCompressionExternal FFI bindings unwind-sysFFI bindings to libunwind872,994MIT/Apache-2.0Development tools::DebuggingExternal FFI bindings objc2-core-mediaBindings to the CoreMedia framework872,682Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI objc2-av-foundationBindings to the AVFoundation framework868,166Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI mp3lame-encoderHigh level bindings to mp3lame encoder853,928LGPL-3.0EncodingExternal FFI bindings mp3lame-sysBindings to mp3lame library839,484LGPL-3.0EncodingExternal FFI bindings openmp-sysLink with OpenMP (libgomp)821,198CC0-1.0ConcurrencyExternal FFI bindings pam-sysFFI wrappers for the Linux Pluggable Authentication Modules (PAM)796,319MIT OR Apache-2.0API bindingsAuthentication objc2-core-servicesBindings to the CoreServices framework765,387Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI aya-ebpf-ctyType aliases to C types like c_int for use with bindgen763,748MIT OR Apache-2.0Embedded developmentExternal FFI bindings objc2-core-wlanBindings to the CoreWLAN framework763,099Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI nftnl-sysLow level FFI bindings to libnftnl. Provides low-level userspace access to the in-kernel nf_tables subsystem761,410MIT OR Apache-2.0External FFI bindingsNetwork programming mnl-sysLow level FFI bindings to libmnl. A minimalistic user-space library oriented to Netlink developers751,552MIT/Apache-2.0External FFI bindingsNetwork programming objc2-open-directoryBindings to the OpenDirectory framework751,363Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI pkcs11Rust PKCS#11 Library732,719Apache-2.0CryptographyExternal FFI bindings csbindgenGenerate C# FFI from Rust for automatically brings native code and C native library to .NET and Unity.729,193MITDevelopment tools::FFIExternal FFI bindings discord-cassandra-cppA Cassandra CQL driver, built on top of the DataStax C++ driver for performance and functionality.716,763Apache-2.0API bindingsAsynchronous objc2-image-ioBindings to the ImageIO framework699,759Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI cl3A Rust implementation of the Khronos OpenCL 3.0 API and extensions.697,665Apache-2.0API bindingsAsynchronous wepoll-sys-stjepangA fork of wepoll-sys with stjepang's patches682,352MPL-2.0External FFI bindingsOperating systems::Windows APIs libwebp-sys2A handwritten raw interface to libwebp681,942BSD-3-ClauseExternal FFI bindingsMultimedia openxr-sysOpenXR FFI bindings680,643MIT OR Apache-2.0External FFI bindingsRendering dittolive-dittoDitto is a peer to peer cross-platform database that allows mobile, web, IoT and server apps to sync with or without an internet…675,418non-standardDatabase interfacesDatabase implementations clipper-sysBoolean operations on polygons (Clipper wrapper)671,649ISCAlgorithmsExternal FFI bindings coremidi-sysLow-level FFI bindings for the CoreMIDI framework665,780MITExternal FFI bindingsMultimedia::Audio dw-sysFFI bindings to libdw651,713MIT/Apache-2.0Development tools::DebuggingExternal FFI bindings decnumber-sysLow-level bindings for libdecnumber.651,264ICUExternal FFI bindings mlir-sysRust bindings to the MLIR C API.651,155non-standardExternal FFI bindings geosRust bindings for GEOS C API648,957MITAlgorithmsExternal FFI bindings blosc-srcFFI bindings for blosc-c642,090BSD-3-ClauseCompressionExternal FFI bindings nettle-sysLow-level Rust bindings for the Nettle cryptographic library640,963LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-onlyCryptographyExternal FFI bindings geos-sysGEOS C API bindings640,885MITAlgorithmsExternal FFI bindings pq-srcBundled version of libpq637,615PostgreSQLDatabase interfacesExternal FFI bindings icu_capiC interface to ICU4X608,025Unicode-3.0Embedded developmentExternal FFI bindings tcp-info-sysA library to get TCP_INFO from the kernel for a TCP socket598,611Apache-2.0Data structuresExternal FFI bindings blas-sysThe package provides bindings to BLAS (Fortran).590,219Apache-2.0 OR MITExternal FFI bindingsScience objc2-media-toolboxBindings to the MediaToolbox framework576,301Zlib OR Apache-2.0 OR MITAPI bindingsDevelopment tools::FFI blkid-syslibblkid raw sys bindings575,049MITExternal FFI bindings cl-sysOpenCL FFI bindings.563,374MIT OR Apache-2.0API bindingsAsynchronous webm-sysRust FFI bindings and wrapper for libwebm557,134MPL-2.0External FFI bindingsMultimedia::Encoding