npm · PyPI88Excellenthealth index
C++★ 215↓ 5M/moSep 16, 2026
npm88Excellenthealth index

Vanilagy/mediabunnyPure TypeScript media toolkit for reading, writing, and converting video and audio files, directly in the browser.
TypeScript★ 7,034↓ 9.7M/moAug 27, 2026
PyPI87Excellenthealth index
Python★ 39↓ 7,909/moSep 15, 2026
PyPI · crates.io84Excellenthealth index
Rust★ 64↓ 12.8K/moOct 19, 2026
Go83Excellenthealth index

ajg/formA Form Encoding & Decoding Package for Go
Go★ 267Sep 12, 2026
NuGet83Excellenthealth index
C#★ 1,968Oct 20, 2026
PyPI81Excellenthealth index

CCSDSPy/ccsdspyI/O interface and utilities for CCSDS binary spacecraft data in Python. Library used in flight missions at NASA, NOAA, and SWRI
Python★ 126Oct 19, 2026
npm81Excellenthealth index

mapbox/pbfA low-level, lightweight protocol buffers implementation in JavaScript.
JavaScript★ 884↓ 47.6M/moOct 20, 2026
npm80Excellenthealth index
Rust · JavaScript · TypeScript★ 297↓ 2M/moOct 22, 2026
npm80Excellenthealth index
TypeScript★ 69↓ 86.7K/moSep 15, 2026
TypeScript · JavaScript★ 2↓ 915.8K/moSep 6, 2026

streamich/json-joyjson-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.
TypeScript★ 1,091↓ 288M/moSep 17, 2026

cplieger/jsonxDefensive decoding of number-or-string integer JSON fields under an explicit tolerance policy
Go★ 0Sep 13, 2026

dfinity/cbor-jsA small implementation of Concise Binary Object Representation (CBOR) in pure JavaScript.
TypeScript★ 2↓ 178.3K/moSep 18, 2026
Go★ 269Sep 23, 2026
Go★ 253Sep 14, 2026

paulmillr/scure-baseSecure, audited & 0-deps implementation of bech32, base64, base32, base16 & base58
TypeScript★ 179↓ 38.8M/moSep 23, 2026
Elixir★ 69↓ 5,398/moSep 9, 2026
TypeScript★ 12↓ 428.2K/moOct 2, 2026

twpayne/go-geomPackage geom implements efficient geometry types for geospatial applications.
Go★ 976Sep 23, 2026
PyPI63Moderatehealth index

lilohuang/PyTurboJPEGPyTurboJPEG is a high-performance Python wrapper for libjpeg-turbo, offering native support for both x86 and ARM architectures.
Python★ 306↓ 334.9K/moSep 15, 2026
crates.io62Moderatehealth index

sam0x17/lencodeA rust crate that provides extremely fast and space efficient encoding and decoding of variable-length and structured data using varint and deduplication schemes
Rust★ 6↓ 16.3K/moSep 13, 2026

segmentio/encodingGo package containing implementations of efficient encoding, decoding, and validation APIs.
Go★ 1,055Sep 14, 2026
Go★ 28Sep 18, 2026
PyPI59Moderatehealth index

irmen/pyminiaudiopython interface to the miniaudio audio playback, recording, decoding and conversion library
C★ 187↓ 579.3K/moSep 14, 2026
npm56Moderatehealth index

Borewit/text-codecLightweight, dependency-free TextEncoder/TextDecoder polyfill supporting UTF-8, UTF-16LE, ASCII, Latin-1, and Windows-1252 for engines like Hermes.
TypeScript★ 3↓ 82.4M/moSep 23, 2026
crates.io56Moderatehealth index
Rust★ 35↓ 777.5K/moSep 15, 2026
Rust★ 1,420↓ 20M/moSep 18, 2026
npm50Moderatehealth index
TypeScript★ 51↓ 112M/moSep 23, 2026
crates.io50Moderatehealth index

oddity-ai/video-rsVideo readers, writers, muxers, encoders and decoders for Rust based on ffmpeg libraries.
Rust★ 422↓ 40.6K/moSep 15, 2026