Self-hosted projects tagged “API”

OpenTripPlanner (OTP) is an open source multimodal routing engine that builds networks from GTFS and OpenStreetMap to produce itineraries and real-time transit trip plans via APIs.

Actively maintained

Alternative to:

ArcGIS Online+2

Self-hosted server for comics, manga, and digital books with a built-in web UI, OPDS catalog support, and a REST API for library browsing and reading.

MITActively maintained

Alternative to:

Comixology+7

Loomio is a collaborative decision-making tool for group discussions, proposals, and polls, helping teams make transparent decisions asynchronously with a clear record.

AGPL-3.0Actively maintained

Alternative to:

Diligent Boards+16

SQLPage is a fast SQL-only web app builder that turns .sql files into interactive web pages and APIs on top of your existing database.

MITActively maintained

Alternative to:

Retool+19

ByteStash is a self-hosted snippet manager for creating, editing, and filtering code snippets with secure storage in SQLite and an optional API with Swagger UI.

GPL-3.0Actively maintained

Alternative to:

SnippetsLab+2

Gonic is a lightweight, self-hosted Subsonic API server for streaming your music library with transcoding, playlists, podcasts support, and multi-user access.

GPL-3.0Actively maintained

Alternative to:

Plex+10

Squidex is an open-source headless CMS and content hub with REST and GraphQL APIs, workflows, versioning, and integrations for delivering content to any app or site.

MITActively maintained

Alternative to:

Contentful+19

Open-source ticket shop and event registration software with online sales, box office mode, multilingual support, and extensible plug-ins and API.

Actively maintained

Alternative to:

Eventbrite+10

Self-hosted web-based RSS reader and feed aggregator with OPML import, plug-ins, and a RESTful JSON API. Supports SQLite, MySQL, and PostgreSQL.

GPL-3.0Actively maintained

Alternative to:

Feedly+7

Self-hosted personal location tracking and analysis tool that turns GPS data into timelines, trips, visits, and significant places with multi-user support.

AGPL-3.0Actively maintained

Alternative to:

Strava+2

Self-hosted Node.js music streaming server with web and mobile clients; supports FLAC/MP3, playlists, gapless playback and visualizer.

GPL-3.0Actively maintained

Alternative to:

Plex+8

Open-source, self-hosted tool to collect, organize and prioritize customer feedback with roadmaps, sign-in, webhooks, and API.

Artalk is a lightweight, self-hosted comment system with a fast Go backend and a framework-agnostic JavaScript client for embedding comments on any site.

MITActively maintained

Alternative to:

Disqus+9

Docspell is a self-hosted document management system that imports scanned files and email attachments, runs OCR, and helps organize documents with tags, metadata, and search.

AGPL-3.0Actively maintained

Alternative to:

DocuWare+5

Open-source form and data management platform with a drag-and-drop builder, embeddable form renderer, and REST API for submissions, resources, and workflows.

OSL-3.0Actively maintained

Alternative to:

Formstack+12

Self-hosted live chat and customer support platform with website widgets, operator console, chatbots, omnichannel integrations, and optional voice/video/screensharing.

Apache-2.0Actively maintained

Alternative to:

Zendesk+19

Keila is an open-source newsletter tool for creating email campaigns, managing contacts and segments, building signup forms, and sending via SMTP or email providers.

AGPL-3.0Actively maintained

Alternative to:

Mailchimp+17

Open source agile project management tool with Scrum and Kanban boards, issue tracking, backlog planning, and team collaboration features.

MPL-2.0Slowing down

Alternative to:

Atlassian Jira+19

Corteza is an open-source low-code platform to build CRM-style apps, structured data systems, and automated business workflows with a strong API-first design.

Apache-2.0Actively maintained

Alternative to:

Microsoft Power Apps+19

Self-hosted translation management platform to collaborate on localization, manage strings, and import/export translation files across common formats.

AGPL-3.0Actively maintained

Alternative to:

Crowdin+6

Fusio is an open source API management platform for building, securing, and operating REST APIs, with a web backend, developer portal, and SDK generation.

Apache-2.0Actively maintained

Alternative to:

Amazon API Gateway+5

WildDuck is a horizontally scalable IMAP/POP3 mail server that stores all mail in MongoDB, runs stateless Node.js workers, and provides a REST API for full server control.

EUPL-1.2Actively maintained

Alternative to:

Microsoft Exchange Online+13

ownCloud Infinite Scale (oCIS) is a cloud-native file sync and share platform with WebDAV/CS3 APIs, OIDC authentication, and scalable microservice architecture.

Apache-2.0Actively maintained

Alternative to:

Google Drive+15

Recyclarr is a command-line tool that automatically synchronizes TRaSH Guides quality profiles, custom formats, naming formats, and quality definitions to Sonarr and Radarr.

Open-source emailing platform for newsletters and transactional emails with a visual MJML builder, segmentation, A/B testing, analytics, and a REST API with webhooks.

AGPL-3.0Actively maintained

Alternative to:

Mailchimp+19

Self-hosted SERP rank tracker to monitor Google keyword positions, send change notifications, and provide keyword research with Search Console and Ads integrations.

MITActively maintained

Alternative to:

AccuRanker+6

Self-hosted error tracking for developers with full stack traces, local variables, and drop-in compatibility with Sentry SDKs for many languages and frameworks.

Actively maintained

Alternative to:

Sentry+5

uStreamer is a lightweight, fast MJPEG-over-HTTP streamer for V4L2 capture devices, optimized for high-FPS HDMI/VGA capture and PiKVM-style KVM over IP use.

GPL-3.0Actively maintained

Alternative to:

AXIS Camera Station

ARA records Ansible playbook runs and provides searchable reports via a CLI, REST API, and local-first web interface to troubleshoot and understand automation results.

GPL-3.0Actively maintained

Alternative to:

Datadog Log Management+5

Coral (Talk) is an open-source commenting and moderation platform for publishers, offering real-time conversations, GraphQL APIs, moderation workflows, and extensible plugins.

Actively maintained

Alternative to:

Disqus+8