Self-hosted projects tagged “REST API”
109 open source projects with this tag
109 open source projects with this tag
109 services found

Local-first home automation and smart home hub
Open-source smart home platform that integrates thousands of devices, runs local automations, and provides dashboards, mobile apps, and voice control.


Self-hosted web app for PDF manipulation and conversion
Web-based PDF toolkit for merge/split/convert/OCR/redact/sign and more, with an optional API and Docker deployment.


Turn any database into a collaborative spreadsheet interface
Open-source Airtable alternative that adds a spreadsheet UI, views, forms, automations, and APIs on top of SQL databases like Postgres and MySQL.


Fast, typo-tolerant search engine for apps and websites
Open-source search engine delivering fast, typo-tolerant full-text search with relevance tuning, filtering, faceting, and REST APIs for easy app integration.

Network-wide ad blocking via DNS sinkhole
DNS sinkhole that blocks ads, trackers, and malicious domains network-wide with a web dashboard, per-client controls, and optional DHCP/DNS features.

Open-source backend in a single Go binary
Single-file backend with built-in database, auth, admin UI, files, and real-time APIs for web and mobile apps.


Open-source backend server for web, mobile, and Flutter apps
Self-hosted backend-as-a-service with auth, databases, storage, functions, and realtime APIs for web and mobile apps.


A lightweight, self-hosted Git service
Self-hosted Git server with a web UI, issues, pull requests, Actions CI/CD, packages, and fine-grained access controls.


A privacy-first note-taking app for quick ideas and logs
Lightweight self-hosted note-taking and micro-journaling app with Markdown, tags, full-text search, and a clean timeline UI for personal knowledge capture.


Publishing platform for blogs, newsletters, and memberships
Modern publishing platform for creators and teams, with a powerful editor, themes, memberships, and email newsletters via Ghost Admin and a headless API.


Decentralized social networking with ActivityPub federation
Self-hostable federated microblogging server for the ActivityPub network, with timelines, media attachments, moderation tools, and rich web/mobile clients.


Build agents that monitor, scrape, and act on events
Self-hosted automation platform to create agents that watch web/services, ingest data (RSS, APIs, scraping), and trigger actions like notifications or webhooks.


Modern, searchable discussion forums for communities
Open source forum software with real-time discussions, powerful moderation, SSO, and integrations—built for long-lived, searchable community knowledge.

Secure team messaging with channels, DMs, and omnichannel support
Self-hosted team chat platform with channels, DMs, voice/video, rich integrations, and omnichannel customer support features.


Open-source project and product management platform
Self-hostable project management tool for issues, sprints, roadmaps, and product planning with a modern UI and API.

An extensible RSS feed generator for websites and platforms
Generate RSS/Atom/JSON feeds from websites and services that lack native feeds, with hundreds of built-in routes and easy extensibility.


TypeScript headless CMS and app framework for Next.js
Open-source TypeScript headless CMS with a React admin UI, powerful access control, media handling, and first-class Next.js integration for modern content-driven apps.


Open-source low-code platform for internal apps
Build and deploy internal tools fast with a low-code builder, prebuilt UI widgets, and secure integrations with databases, APIs, and SaaS services.

Open-source notification infrastructure for developers
A self-hostable notification infrastructure to build, manage, and send multi-channel product notifications with templates, provider integrations, and a unified API.


Open-source low-code platform for internal apps
Build internal tools fast with a low-code builder, database/API connectors, queries, and role-based access controls—self-hostable and extensible.

Document management with OCR and full‑text search
Self-hosted document management system that ingests scans and emails, performs OCR, extracts metadata, and provides fast full-text search with tags and workflows.


Secure team messaging for technical and operational teams
Self-hostable team chat with channels, threads, calls, integrations, and enterprise-grade security controls for organizations that need full data control.


Composable commerce platform for building custom stores
Open-source, modular commerce backend for building custom eCommerce stores with APIs, admin dashboard, plugins, and integrations.


Open-source product analytics suite
Self-hostable product analytics platform with event capture, funnels, session replay, feature flags, A/B testing, and data pipelines.


Send notifications to your phone or desktop via HTTP and pub/sub
Self-hostable publish/subscribe notification service with HTTP API, web UI, and mobile apps for push alerts from scripts, CI, monitoring, and automations.


Event-driven workflow orchestration for data and automation
Kestra is an open-source workflow orchestration platform to build, schedule, and monitor event-driven pipelines with YAML, a web UI, and hundreds of integrations.


Personal CRM to organize relationships and interactions
Monica is a personal CRM that helps you manage contacts, log interactions, set reminders, and keep structured notes to maintain better personal and professional relationships.


Privacy-respecting metasearch engine you can run yourself
SearXNG is a privacy-focused metasearch engine that aggregates results from many search providers, with strong customization, multiple output formats, and API support.

Flow-based programming for event-driven applications
Low-code, flow-based tool to wire devices, APIs, and services using a browser editor and Node.js runtime; widely used for IoT, automation, and integrations.


A self-hosted personal finance manager for tracking money flow
Open-source personal finance manager to track accounts, budgets, bills, and transactions with rules, reports, and CSV import/export.
