Self-hosted projects tagged “API”

Open-source full-stack CMS built with Node.js and MongoDB, featuring in-context visual editing and headless APIs for building modern websites and content apps.

Actively maintained

Alternative to:

Contentful+19

Cerbos is a scalable, language-agnostic authorization layer for defining and evaluating context-aware access control policies via a dedicated Policy Decision Point (PDP) API.

Apache-2.0Actively maintained

Alternative to:

OSO Cloud+17

Agenta is an open-source LLMOps platform with a prompt playground, prompt/version management, LLM evaluation, and production observability for LLM apps.

Actively maintained

Alternative to:

Langfuse+7

YourSpotify is a self-hosted app that tracks Spotify listening history and provides a web dashboard to explore your personal streaming statistics over time.

GPL-3.0Actively maintained

Alternative to:

Stats for Spotify+1

Free, self-hosted help desk and shared mailbox for managing support email, conversations, tickets, and team workflows as a Zendesk/Help Scout alternative.

AGPL-3.0Actively maintained

Alternative to:

Zendesk+13

Open-source feedback portal to collect ideas, run feature voting, discuss requests, and prioritize product improvements with notifications, tags, and integrations.

AGPL-3.0Actively maintained

Alternative to:

Canny+14

Kinto is a lightweight JSON document store with an HTTP API, built-in permissions, sharing, and client synchronization, designed for offline-first and distributed apps.

Actively maintained

Alternative to:

Firebase+3

Minimalist, self-hosted WakaTime-compatible backend to track coding time with dashboards, leaderboards, badges, reports, and a REST API.

MITActively maintained

Alternative to:

WakaTime+3

Judge0 CE is an open-source, sandboxed online code execution system with an HTTP JSON API for running untrusted code in many programming languages at scale.

Ever Gauzy is an open-source business management suite combining ERP, CRM, HRM/ATS, and project & time tracking with a web UI and headless APIs.

AGPL-3.0Actively maintained

Alternative to:

Odoo+19

Open source appointment scheduler for customer bookings, provider management, and Google Calendar sync, deployable on your own PHP/MySQL server.

GPL-3.0Actively maintained

Alternative to:

Calendly+18

bitmagnet is a self-hosted BitTorrent indexer that crawls the DHT, classifies torrent metadata, and provides search via a web UI, GraphQL API, and Torznab for Servarr.

MITActively maintained

Alternative to:

Bitsearch+1

Stringer is a self-hosted RSS reader built on Ruby on Rails with PostgreSQL, offering keyboard shortcuts and a Fever-compatible API for use with supported mobile clients.

MITActively maintained

Alternative to:

Feedly+7

Open-source localization platform with in-app translation, collaborative workflows, and APIs/CLI to manage multilingual app strings, screenshots, and translations.

yarr is a lightweight, self-hostable RSS reader and feed aggregator delivered as a single binary with an embedded SQLite database and optional desktop tray UI.

MITActively maintained

Alternative to:

Feedly+12

YaCy is a self-hostable search engine with crawler and indexing, supporting decentralized P2P search, standalone search portals, and intranet/file search.

Actively maintained

Alternative to:

Swiftype+13

Self-hosted web radio platform for station management, AutoDJ, live DJs, multi-station hosting, analytics and Docker-based deployment.

AGPL-3.0Actively maintained

Alternative to:

SAM Broadcaster Cloud+5

Open-source platform for event management, online ticket sales, and attendee check-in with branded event pages, promo codes, analytics, and Stripe payouts.

Actively maintained

Alternative to:

Eventbrite+18

osTicket is an open source help desk and ticketing system that manages support requests from email, web forms, phone, and API in a multi-agent web interface.

GPL-2.0Actively maintained

Alternative to:

Zendesk+19

Self-hosted, single-user bookmark manager and link sharing app with tags, search, RSS/Atom feeds, REST API, and plugins—using file-based storage (no database).

Actively maintained

Alternative to:

Pinboard+9

Self-hosted open-source accounting and inventory software with double-entry bookkeeping, invoicing, expenses, multi-currency support, and financial reporting.

AGPL-3.0Actively maintained

Alternative to:

QuickBooks Online+11

Self-hosted download manager with a web UI, link decryption, and plugin-based support for many one-click hosters and file sources.

Actively maintained

Alternative to:

JDownloader+17

Self-hosted trail catalog to plan routes, upload GPX/GPS tracks, add metadata, and search, filter, and share trails with optional federation.

AGPL-3.0Actively maintained

Alternative to:

Ride with GPS+2

Pimcore is an open core data and experience management platform combining PIM/MDM, DAM, CMS/DXP, CDP and digital commerce with extensible APIs and modeling tools.

Actively maintained

Alternative to:

Acquia DAM (Widen)+19

Ampache is a web-based audio and video streaming app and file manager for accessing and streaming your organized music and video collection from almost any device.

AGPL-3.0Actively maintained

Alternative to:

Ampache (Cloud)+11

Unified web UI to search, aggregate, and download books and audiobooks from multiple sources, with queue management, metadata providers, and client integrations.

MITActively maintained

Alternative to:

Readarr+5

Feedbin is a web-based RSS reader for organizing and reading feeds with full-text extraction, powerful search, filtering actions, and a REST-like API for clients.

MITActively maintained

Alternative to:

Feedly+19

bknd is a lightweight Firebase/Supabase alternative that provides a modular backend with REST API, admin UI, auth, media, and workflows, deployable across many JS runtimes.

Apache-2.0Actively maintained

Alternative to:

Firebase+9

LimeSurvey is an open-source survey and form builder for creating, distributing, and analyzing questionnaires with advanced logic, multilingual support, and strong privacy controls.

Actively maintained

Alternative to:

SurveyMonkey+17

Speakr is a self-hosted web app for recording or uploading audio, transcribing with AI (including diarization), and turning conversations into searchable, shareable notes.

AGPL-3.0Actively maintained

Alternative to:

Otter.ai+14