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

89Health
SDK Go

MCP Go SDK

The official Go SDK for building Model Context Protocol servers and clients, maintained in collaboration with Google.

5,162
Apache 2.0
Used by 12
88Health
Library Composer

Symfony Yaml

PHP component for parsing and dumping YAML files, used throughout the Symfony framework

3,837
MIT
Used by 12
74Health
Library Go

go-toml

The original Go library for loading, querying, and marshaling TOML documents, now superseded by go-toml v2.

1,986
MIT
Used by 12
89Health
Library Go

lo

A Lodash-style Go library built on Go 1.18+ generics for working with slices, maps, channels, and functions.

21,434
MIT
Used by 11
94Health
Tool Composer

PHP CS Fixer

CLI tool that automatically fixes PHP code to follow coding standards

13,556
MIT
Used by 11
84Health
Library Go

Resty

A simple, chainable HTTP and REST client for Go with built-in retries, middleware, and auth helpers.

11,812
MIT
Used by 11
85Health
SDK Go

slack

A comprehensive Go client for the Slack Web API, RTM, Events API, and Socket Mode.

4,965
Other
Used by 11
80Health
Library Go

miniredis

A pure Go, in-memory Redis server for fast, dependency-free unit tests.

3,623
MIT
Used by 11
57Health
Library Go

go-systemd

Go bindings for systemd: socket activation, journald logging, D-Bus unit control, and sd_notify readiness signals in pure Go.

2,714
Apache 2.0
Used by 11
88Health
Library Go

webauthn

A spec-conformant WebAuthn and FIDO2 passkey server library for Go, handling registration and authentication ceremonies for passwordless and multi-factor login.

1,338
BSD 3
Used by 11
81Health
Framework Go

Ginkgo

A mature, BDD-style testing framework for Go that pairs with Gomega to write expressive, parallelizable specs.

9,061
MIT
Used by 10
55Health
SDK Go

aws-sdk-go

The official Go SDK for calling AWS services like S3, DynamoDB, and EC2 — now in end-of-support status as AWS steers users to SDK v2.

8,667
Apache 2.0
Used by 10
59Health
Library Go

afero

A drop-in filesystem abstraction for Go that swaps OS, in-memory, archive, and cloud backends without touching your code.

6,705
Apache 2.0
Used by 10
46Health
Library Go

msgpack

A reflect-based MessagePack encoder and decoder for Go with struct tag support, custom extensions, and a sync.Pool-backed API for allocation-light serialization.

2,676
Other
Used by 10
88Health
Library Composer

Symfony HttpClient

A low-overhead, high-performance PHP HTTP client with sync, async, and streaming support

2,030
MIT
Used by 10
44Health
Library npm

electron-devtools-installer

Installs Chrome DevTools extensions like Redux and React DevTools directly into Electron apps.

1,222
MIT
Used by 10
91Health
Library Go

go-redis

The official Redis client library for Go, with pooling, pipelines, Pub/Sub, and Cluster support

22,255
Other
Used by 9
74Health
Tool Composer

Laravel IDE Helper

Generate accurate PHPDocs for Laravel facades, models, and macros to power IDE autocompletion.

14,967
MIT
Used by 9
81Health
Library Composer

Symfony Process

Execute and manage sub-processes from PHP with a safe, cross-platform, streaming API

7,455
MIT
Used by 9
87Health
Library Composer

Symfony VarDumper

A better dump() function for PHP that walks and renders any variable clearly.

7,425
MIT
Used by 9
89Health
SDK Go

nats.go

The official Go client for NATS, the cloud native messaging system, with built-in JetStream persistence.

6,759
Apache 2.0
Used by 9
50Health
Library Go

GoGo Protobuf

A deprecated fork of golang/protobuf adding faster marshaling, custom types, and richer Go code generation for Protocol Buffers.

5,661
BSD 3
Used by 9
48Health
Library Go

sessions

Cookie and filesystem session management for Go's net/http, with pluggable backends and key rotation.

3,152
BSD 3
Used by 9
76Health
Library Go

uuid

A pure Go implementation of RFC-9562 UUIDs, covering generation and parsing for versions 1 and 3 through 8.

1,808
MIT
Used by 9

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