Directory

All Open Source Apps

Every app scored on repo health, technical quality, and dependency risk — before you install anything.

746 apps
Updated continuously
Go
97%
Apache 2.0

Docker (Moby)

Developer Tools · Devops

72,104

The open-source container engine at the heart of Docker — a modular toolkit of runtime, build, and networking components for assembling container-based systems.

View details
98
Repo Health
86
Technical
69
Dependency
Built with
Go 97%
Updated 1 weeks ago
JavaScript
93%
Apache 2.0

swagger-ui

Developer Tools

29,010

Transform OpenAPI specifications into interactive, browser-based API documentation that developers and consumers can explore and test live.

View details
98
Repo Health
83
Technical
65
Dependency
Built with
JavaScript 93%
Updated 1 weeks ago
JavaScript
87%
GPL 3.0

NodeBB

Community

15,219

Modern Node.js forum software with real-time WebSockets, multi-database support, and a plugin ecosystem — the community platform built for the open web and the Fediverse.

View details
97
Repo Health
78
Technical
70
Dependency
Built with
JavaScript 87%
Go Template 12%
Updated 1 weeks ago
JavaScript
98%
Apache 2.0

Parse Server

Databases · Developer Tools

21,412

Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.

View details
97
Repo Health
81
Technical
78
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
Go
95%
Apache 2.0

TiDB

AI Development · Databases

40,528

AI-Native Distributed SQL Database for Agentic Workloads

View details
97
Repo Health
66
Technical
68
Dependency
Built with
Go 95%
Updated 1 weeks ago
Go
98%
Other

Tyk API Gateway

Developer Tools · Devops

10,823

Cloud-native, high-performance open-source API gateway for REST, GraphQL, gRPC, and TCP — built in Go since 2014 with no feature lockout.

View details
97
Repo Health
78
Technical
66
Dependency
Built with
Go 98%
Updated 1 weeks ago
Go
85%
Apache 2.0

Argo Workflows

Data Engineering · Devops

16,978

The most popular Kubernetes-native workflow engine for orchestrating containerized DAGs, ML pipelines, CI/CD, and parallel batch jobs at scale.

View details
96
Repo Health
90
Technical
67
Dependency
Built with
Go 85%
TypeScript 11%
Updated 1 weeks ago
JavaScript
83%
Other

Countly

Analytics · Marketing

5,902

Privacy-first, self-hosted analytics and customer engagement platform with full data ownership, GDPR compliance, and AI-powered insights across mobile, web, desktop, and IoT.

View details
96
Repo Health
82
Technical
65
Dependency
Built with
JavaScript 83%
Updated 1 weeks ago
Java
100%
Apache 2.0

CrateDB

Analytics · Databases

4,435

Distributed SQL database for real-time analytics at scale

View details
96
Repo Health
76
Technical
77
Dependency
Built with
Java 100%
Updated 1 weeks ago
Go
98%
Apache 2.0

Nightingale

Monitoring

13,287

Open-source alerting engine that connects to any time-series or log data source and routes alarms to 20+ notification channels with AI-assisted triage.

View details
96
Repo Health
77
Technical
67
Dependency
Built with
Go 98%
Updated 1 weeks ago
Ruby
79%
GPL 3.0

OpenProject

Collaboration · Productivity · Project Management

16,100

The open source project management platform that unifies Gantt charts, agile boards, time tracking, and team collaboration under full self-hosted control.

View details
96
Repo Health
79
Technical
69
Dependency
Built with
Ruby 79%
TypeScript 13%
Updated 1 weeks ago
Ruby
50%
Other

Chatwoot

Customer Support

36,813

Open-source omnichannel customer support platform with AI-powered agents, live chat, and self-hosting — a full Intercom and Zendesk alternative.

View details
95
Repo Health
78
Technical
69
Dependency
Built with
Ruby 50%
Vue 26%
JavaScript 22%
Updated 1 weeks ago
Go
91%
AGPL 3.0

Cozy Stack

File Storage · Productivity

1,269

Self-hosted personal cloud platform that unifies your files, apps, and devices in one private space you fully control.

View details
95
Repo Health
77
Technical
67
Dependency
Built with
Go 91%
Updated 1 weeks ago
Go
83%
Apache 2.0

frp

Networking

109,434

A fast reverse proxy that exposes local servers behind NAT or firewalls to the public internet with multi-protocol support.

View details
95
Repo Health
82
Technical
71
Dependency
Built with
Go 83%
Vue 12%
Updated 1 weeks ago
Ruby
59%
AGPL 3.0

Mastodon

Social Media

50,295

Run your own federated social network on the open ActivityPub standard with no ads, no algorithms, and no corporate control over your community.

View details
95
Repo Health
81
Technical
70
Dependency
Built with
Ruby 59%
TypeScript 23%
Updated 1 weeks ago
Java
78%
GPL 3.0

DataEase

AI Assistants · Analytics · Data Engineering

24,431

Open-source BI tool with drag-and-drop dashboards, 20+ data source connectors, and AI-powered natural language queries — a self-hosted alternative to Tableau.

View details
94
Repo Health
71
Technical
65
Dependency
Built with
Java 78%
Vue 22%
Updated 1 weeks ago
Java
58%
Apache 2.0

Kestra

Automation · Data Engineering · Devops

28,115

Event-driven orchestration platform for data, AI, and infrastructure workflows — define everything in YAML, run anywhere at scale.

View details
94
Repo Health
81
Technical
72
Dependency
Built with
Java 58%
TypeScript 25%
Vue 15%
Updated 1 weeks ago
Go
75%
AGPL 3.0

Teleport

Authentication · Security

20,917

Zero-trust infrastructure access platform that replaces credentials and VPNs with short-lived certificates, SSO, and identity-aware proxies for SSH, Kubernetes, databases, RDP, and AI agents.

View details
94
Repo Health
81
Technical
68
Dependency
Built with
Go 75%
TypeScript 16%
Updated 2 weeks ago
JavaScript
55%
AGPL 3.0

ToolJet

AI Agents · Low Code Platforms · No Code Platforms

40,917

Open-source AI-native platform to build and deploy internal tools, workflows, and AI agents with a visual drag-and-drop builder and 80+ data source integrations.

View details
94
Repo Health
81
Technical
63
Dependency
Built with
JavaScript 55%
TypeScript 38%
Updated 1 weeks ago
Go
98%
Apache 2.0

Caddy

Devops · Security

75,738

The only web server that obtains and renews TLS certificates automatically, with HTTP/1-2-3 support and zero dependency on external runtimes.

View details
93
Repo Health
86
Technical
75
Dependency
Built with
Go 98%
Updated 1 weeks ago
Go
75%
AGPL 3.0

Coder

Code Editors · Developer Tools · Devops

14,463

Self-hosted cloud development environments and AI coding agents — defined in Terraform, connected via WireGuard, automatically shut down when idle.

View details
93
Repo Health
90
Technical
65
Dependency
Built with
Go 75%
TypeScript 23%
Updated 1 weeks ago
JavaScript
64%
Other

GDevelop

Design Tools · Developer Tools · Game Development

26,529

No-code, open-source game engine for building 2D, 3D and multiplayer games — publish to iOS, Android, Steam and the web.

View details
93
Repo Health
82
Technical
61
Dependency
Built with
JavaScript 64%
C++ 23%
TypeScript 12%
Updated 1 weeks ago
Go
83%
MIT

Gitea

Developer Tools · Devops · Project Management

57,984

Self-hosted DevOps in a single Go binary — Git hosting, GitHub Actions-compatible CI/CD, and 30+ package registries without any SaaS dependency.

View details
93
Repo Health
79
Technical
64
Dependency
Built with
Go 83%
Updated 1 weeks ago
Go
45%
GPL 3.0

Netdata

Devops · Monitoring

80,524

Real-time per-second metrics, ML-powered anomaly detection, and zero-config observability for any infrastructure.

View details
93
Repo Health
86
Technical
70
Dependency
Built with
Go 45%
C 32%
Rust 15%
Updated 1 weeks ago

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