AP 
Open-source backend platform providing authentication, databases, storage, serverless functions, messaging, and realtime APIs. A self-hostable Firebase alternative
Developer Tools
APIs, database GUIs, and utilities for developers.
BA 
Self-hosted no-code database and app builder. MIT-licensed with no row limits, real-time collaboration, built-in automations, and seven view types including Kanban and Calendar
BO 
Free, self-hosted wiki with a Books/Chapters/Pages hierarchy, built-in diagrams, SAML/OIDC auth, and role-based permissions. Runs on PHP and MySQL
BU 
Battle-tested open source bug tracker originally built by Mozilla in 1998. Advanced search, custom fields, email notifications, time tracking, and a flexible workflow — one of the most capable self-hosted issue trackers still in active use
CO 
Headless PHP CMS and content API. Define flexible content collections and singletons through a UI, then query them via REST or GraphQL. No rigid page structure — just a content backend your frontend consumes
CO ★ 
Self-hosted deployment platform for apps, databases, and 280+ services. Connect any server over SSH and get Git-based deployments, automatic SSL, PR previews, and S3 backups without the PaaS bill
DI 
Open-source data platform that wraps any SQL database with an instant REST and GraphQL API plus a no-code admin app. Works with existing databases, not just new ones
EX 
Virtual whiteboard for hand-drawn style diagrams with real-time collaboration. End-to-end encrypted, fully self-hostable, and no account required to start drawing
EX 
Node.js CMS and API framework that generates REST endpoints automatically from JSON Schema content type definitions. Define your data model in JSON, get a working API and admin panel with permission management included
FE 
Python micro web service that merges multiple RSS, Atom, or JSON feeds into a single combined feed. Pass it a list of feed URLs and a post count, get back one feed with the most recent entries from each source
FI 
Open-source web scraping and crawling API that converts any website into clean, LLM-ready markdown or structured JSON. Handles JavaScript rendering, full-site crawls, and browser interaction automatically
FO 
Community-governed soft fork of Gitea for self-hosted Git hosting. Feature-compatible with Gitea, with a focus on transparency, freedom from commercial control, and ActivityPub federation
FO 
Open-source survey platform with in-product user targeting and link-based forms. Self-host to collect NPS, CSAT, and custom feedback with full data ownership
GI 
Regularly cited as the best self-hosted Git server for lightweight deployments. Single Go binary with repositories, issues, pull requests, CI/CD via Gitea Actions, and a package registry
GL 
Self-hosted error tracking compatible with the Sentry SDK. Collect and group application errors with stack traces, release tracking, and uptime monitoring without Sentry's pricing
HE 
Cron job and scheduled task monitor that alerts you when expected pings stop arriving. Works as a dead man's switch for backups, scripts, and any task that should run on a schedule
IN 
Open-source secrets management platform for teams and infrastructure. Centralise API keys, environment variables, and credentials with versioning, access controls, and sync to CI/CD pipelines
IT 
60+ browser-based developer utilities in a single self-hosted interface. Encoders, converters, generators, formatters, and crypto tools that run locally with no data sent externally
JA 
General-purpose WebRTC server and gateway by Meetecho. A plugin-based C library that powers custom real-time applications — video rooms, SIP gateways, streaming, and data channels — rather than a ready-to-use conferencing product
KE 
TypeScript-first Node.js CMS and application framework with a code-defined schema, auto-generated GraphQL API, and a polished admin UI. Built for developers who want a programmable content backend without writing CRUD from scratch
LI 
Self-hosted machine translation API powered by Argos Translate. No Google, no DeepL, no data leaving your server. Supports 50+ languages via REST API
LI 
Self-hosted newsletter and mailing list manager. Single Go binary, PostgreSQL, no per-subscriber fees, SMTP-agnostic, with a transactional email API for app-triggered messages
LO 
Open-source drop-in replacement for the OpenAI API. Run LLMs, image generation, speech, and video locally on your own hardware. No GPU required, no API key, no data leaving your machine
MA 
Lightweight PHP bug tracker with email integration, custom fields, time tracking, and a plugin system. One of the longest-standing open source issue trackers — simple to deploy and actively maintained after 20+ years
MO 
Developer-focused PHP CMS built for custom site architecture. No prescribed templates or content models — you build exactly what the project requires. Strong security track record and a long-standing reputation among agencies
N8 ★ 
Open-source workflow automation with 500+ integrations, native AI agent support, and unlimited executions when self-hosted. Built for technical teams
NE 
Real-time server monitoring with zero configuration. Auto-discovers 800+ integrations, collects per-second metrics, and runs a browser dashboard on port 19999. Multi-host view requires Netdata Cloud or a Parent node
NO 
Open-source Airtable alternative that turns any SQL database into a spreadsheet-style interface. Grid, kanban, gallery, calendar, and form views with role-based access and REST API — no data migration needed
NT 
HTTP-based pub/sub notification service. Send push alerts to your phone or desktop from any script using a single curl command. No account or API key required
OL ★ 
Run open-source LLMs locally with a single command. OpenAI-compatible API, GPU acceleration on Apple Silicon, NVIDIA, and AMD, and a growing library of models including Llama, Mistral, Gemma, and DeepSeek
OW 
The standard self-hosted chat interface for Ollama and local AI models. Supports OpenAI-compatible APIs, RAG, tool calling, voice, plugins, and multi-user accounts. Runs in Docker
PO ★ 
Open-source backend in a single 12MB binary. Embedded SQLite database with realtime subscriptions, built-in auth, file storage, and an admin dashboard. No Docker or separate database server required
RI 
Flexible Python-based issue tracker with web, email, REST, and command-line interfaces. Configurable data model lets you shape it into a bug tracker, help desk, or project management tool without modifying core code
ST 
Open-source headless CMS with a customisable content type builder, REST and GraphQL APIs, and a plugin marketplace. The most widely used self-hosted headless CMS
SU 
Open-source Firebase alternative built on Postgres. Provides a database, authentication, auto-generated REST and GraphQL APIs, file storage, edge functions, and realtime subscriptions
UK 
Self-hosted uptime monitoring with a polished UI, 20+ monitor types, public status pages, and 90+ notification integrations. Replaces UptimeRobot or Better Stack with no subscription fees
WI 
Self-hosted wiki on Node.js with Git sync, flexible page structure, and deep authentication support. Multiple editors, 50+ integrations, and no forced content hierarchy