Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

86Health
Library PyPI

typing_extensions

Backported and experimental type-hint features for Python, usable on older interpreters and ahead of the stdlib.

582
Other
Used by 45
90Health
Library Go

cel-go

The Go implementation of the Common Expression Language for fast, safe, embeddable expression evaluation.

3,086
Apache 2.0
Used by 6
36Health
Library npm

auto-bind

Automatically bind class methods to their instance, including inherited ones

461
MIT
Used by 4
48Health
Library npm

memoize

Speed up repeated function calls by caching results for identical input arguments.

1,163
MIT
Used by 2
62Health
Library npm

stopword

A lightweight JavaScript library that strips stopwords from tokenized text across 62 languages, with support for custom stopword lists.

269
MIT
Used by 2
47Health
Library PyPI

makefun

Dynamically create Python functions with a proper, correct signature for decorators and generators.

135
BSD 3
Used by 2
82Health
Library PyPI

LiteParse

Fast, open-source PDF and document parser with Python bindings, OCR, and spatial text extraction.

12,305
Apache 2.0
Used by 1
40Health
Library PyPI

func_timeout

Run any existing Python function with a hard timeout, plus stoppable-thread support

327
Other
Used by 1
72Health
Library npm

Protovalidate (ECMAScript)

Runtime validation for Protobuf messages, driven by buf.validate rule annotations in your .proto schema.

83
Apache 2.0
Used by 1
33Health
Library npm

@connectrpc/validate

A Connect interceptor that validates RPC requests and responses using Protobuf constraints and CEL expressions.

14
Apache 2.0
Used by 1
19Health
Library npm

expr-eval-fork

A security-patched fork of expr-eval for safely parsing and evaluating math expressions in JavaScript without native eval().

7
MIT
Used by 1

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers