crates.io95Excepcionalíndice de salud
Rust · Python★ 11K↓ 3.8M/mes27 ago 2026
crates.io92Excelenteíndice de salud
Rust★ 135↓ 156.7K/mes20 oct 2026
npm92Excelenteíndice de salud
Zig · TypeScript★ 943↓ 51.4M/mes9 sept 2026
crates.io89Excelenteíndice de salud

benbrandt/text-splitterSplit text into semantic chunks, up to a desired chunk size. Supports calculating length by characters and tokens, and is callable from Rust and Python.
Rust · Python★ 632↓ 218K/mes26 sept 2026
crates.io89Excelenteíndice de salud
Rust★ 3578↓ 25M/mes20 oct 2026
PyPI88Excelenteíndice de salud
Python★ 4014↓ 149M/mes28 ago 2026
npm88Excelenteíndice de salud
CSS · JavaScript · TypeScript★ 1052↓ 1B/mes16 sept 2026
crates.io · npm · Packagist +288Excelenteíndice de salud
Rust★ 666↓ 418K/mes5 sept 2026
npm87Excelenteíndice de salud

eslint/csstreeA tool set for CSS including fast detailed parser, walker, generator and lexer based on W3C specs and browser implementations
JavaScript★ 23↓ 8.8M/mes16 sept 2026
npm86Excelenteíndice de salud
TypeScript★ 81↓ 61.8K/mes18 sept 2026
—84Excelenteíndice de salud

tryAGI/AnthropicC# SDK for the Anthropic API -- Claude chat completions, tool calling, and vision
C#★ 4330 sept 2026
npm80Excelenteíndice de salud
TypeScript · JavaScript★ 2803↓ 202M/mes17 sept 2026
crates.io80Excelenteíndice de salud
Rust★ 358↓ 169.1K/mes18 sept 2026
crates.io80Excelenteíndice de salud
Rust★ 411↓ 2.5M/mes26 sept 2026
crates.io78Buenoíndice de salud
Rust · Python★ 24↓ 812.4K/mes20 oct 2026
crates.io · PyPI78Buenoíndice de salud

ml-rust/splintrA high-performance tokenizer (BPE, WordPiece, SentencePiece) built with Rust with Python bindings, focused on speed, safety, and resource optimization.
Rust · Python★ 60↓ 5850/mes16 sept 2026

tryAGI/TiktokenHigh-performance .NET BPE tokenizer — up to 618 MiB/s, competitive with Rust. Zero-allocation counting, multilingual cache, o200k/cl100k/r50k/p50k encodings + HuggingFace tokenizer.json support.
C#★ 9221 oct 2026
npm77Buenoíndice de salud

niieani/gpt-tokenizerThe fastest JavaScript BPE Tokenizer Encoder Decoder for OpenAI's GPT models (gpt-5, gpt-o*, gpt-4o, etc.). Port of OpenAI's tiktoken with additional features.
TypeScript★ 845↓ 6.1M/mes18 sept 2026
PyPI · npm75Buenoíndice de salud

SonAIengine/graph-tool-callGraph-based tool retrieval for LLM agents — 248 tools → 82% accuracy, 79% fewer tokens. Zero dependencies. OpenAPI / MCP / LangChain.
Python★ 17↓ 2636/mes15 sept 2026
crates.io · PyPI75Buenoíndice de salud

jsinger67/scnr2Scanner/lexer with sufficient regex support and multiple scanner modes
Rust★ 3↓ 45K/mes15 sept 2026
npm73Buenoíndice de salud
TypeScript★ 177↓ 6.2M/mes15 sept 2026
crates.io71Buenoíndice de salud
Rust★ 13↓ 2407/mes12 sept 2026
crates.io69Buenoíndice de salud
Rust★ 18↓ 368.7K/mes19 oct 2026
npm69Buenoíndice de salud

fent/ret.jsTokenizes a string that represents a regular expression.
TypeScript★ 98↓ 173M/mes21 oct 2026
Packagist69Buenoíndice de salud

mck89/peastJavaScript parser written in PHP that generates AST from your code according to ECMAScript specification
PHP★ 194↓ 1.6M/mes12 sept 2026
npm · crates.io · PyPI69Buenoíndice de salud

ongjin/garu초경량 한국어 형태소 분석기 — 1MB 모델로 브라우저에서 실행(WASM). Ultra-lightweight Korean morphological analyzer in the browser. npm: garu-ko
Python · Rust★ 176↓ 7212/mes13 sept 2026
crates.io · npm67Buenoíndice de salud

goliajp/rust-tiktokenHigh-performance Rust tiktoken BPE tokenizer + WASM bindings (@goliapkg/tiktoken-wasm)
Rust · TypeScript★ 7↓ 11.6K/mes17 sept 2026
Packagist67Buenoíndice de salud
PHP★ 32↓ 31K/mes14 sept 2026
npm67Buenoíndice de salud
TypeScript★ 4↓ 40K/mes13 sept 2026
npm65Buenoíndice de salud

kurajs/kuraKura — the knowledgebase for humans and agents. Agent-native docs infrastructure, built on June.
TypeScript★ 5↓ 101.1K/mes15 sept 2026