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

95Health
Tool Go

grpc-gateway

A protoc plugin that generates a reverse-proxy server, turning RESTful HTTP/JSON requests into gRPC calls from the same service definitions.

20,003
BSD 3
Used by 16
77Health
Library Go

lipgloss

Lipgloss brings a CSS-like, declarative styling API to Go terminal apps, covering colors, borders, layout, and compositing for building polished TUIs.

11,830
MIT
Used by 16
47Health
Library Go

go-cache

A thread-safe, in-memory key-value cache for Go with per-item expiration, atomic counters, and optional disk persistence.

8,845
MIT
Used by 16
69Health
Library Go

dns

A low-level, spec-complete DNS library for Go covering client, server, DNSSEC, and zone-file parsing.

8,770
BSD 3
Used by 16
75Health
Library PyPI

bcrypt (Python)

A Python library for secure password hashing using the bcrypt algorithm with an adjustable work factor

1,503
Apache 2.0
Used by 16
87Health
Framework PyPI

Django

The high-level Python web framework that turns database models into secure, working web applications in record time.

91,063
BSD 3
Used by 15
98Health
Library Go

moby/moby/api

The independently-versioned Go module of shared request/response types for the Docker Engine API, used by both the daemon and third-party Go clients.

72,104
Apache 2.0
Used by 15
92Health
Framework PyPI

django-rest-framework

The most widely-used toolkit for building Web APIs on top of Django, with serializers, viewsets, and a built-in browsable API.

30,179
BSD 3
Used by 15
80Health
Library Go

migrate

Database schema migrations for Go, usable as a CLI tool or an importable library with pluggable source and database drivers.

18,919
MIT
Used by 15
84Health
Library npm

got

Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.

14,940
MIT
Used by 15
98Health
SDK PyPI

Azure Identity (Python)

Microsoft Entra ID token authentication for Azure SDK clients in Python

5,600
MIT
Used by 15
48Health
Library Go

Sprig

Over 100 template functions for Go's text/template and html/template, covering strings, lists, dicts, dates, math, crypto, and semver comparisons.

4,742
MIT
Used by 15
46Health
Library PyPI

itsdangerous

A small Python toolkit for cryptographically signing data so you can trust it hasn't been tampered with when it comes back from an untrusted client.

3,134
BSD 3
Used by 15
93Health
SDK Go

minio-go

The official Go client SDK for MinIO and any Amazon S3 compatible object storage service.

2,998
Apache 2.0
Used by 15
40Health
Library PyPI

aiosqlite

Async/await-friendly wrapper around Python's built-in sqlite3 module for asyncio applications.

1,575
MIT
Used by 15
80Health
SDK npm

@octokit/core

Extendable client for GitHub's REST and GraphQL APIs

1,285
MIT
Used by 15
76Health
Library PyPI

croniter

Parses cron schedule strings and iterates the matching datetime values, with DST, second/year fields, and last-weekday support.

563
MIT
Used by 15
88Health
Framework PyPI

FastMCP

The fast, Pythonic framework for building Model Context Protocol servers, clients, and apps

27,661
Apache 2.0
Used by 14
46Health
Library Go

jsoniter

A high-performance, 100% compatible drop-in replacement for Go's encoding/json.

13,867
MIT
Used by 14
77Health
Library PyPI

structlog

Structured, typed logging for Python built on plain functions and dictionaries instead of a bespoke logging DSL.

4,951
Other
Used by 14
94Health
SDK Go

sentry-go

The official Go SDK for capturing errors, panics, and performance traces and sending them to Sentry.

1,104
MIT
Used by 14
98Health
SDK Go

docker/docker

The legacy Go client library for the Docker Engine API, used to build and manage containers, images, and daemons programmatically.

72,104
Apache 2.0
Used by 13
80Health
Framework Go

Bubble Tea

A Go framework based on The Elm Architecture for building terminal UIs, from simple prompts to full-window, high-performance TUI applications.

44,940
MIT
Used by 13
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13

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