Self-hosted projects using JavaScript

CrossWatch synchronizes watchlists, history, ratings and live scrobbles between Plex, Jellyfin, Emby and trackers like Trakt, SIMKL, AniList and MDBlist.

AGPL-3.0Actively maintained

Alternative to:

Simkl+3

LibreBooking is an open-source scheduling system for managing resource reservations with calendars, waitlists, quotas, reporting, and role-based access control.

GPL-3.0Actively maintained

Alternative to:

Skedda+11

Open-source audience interaction platform for live presentations with real-time polls, quizzes, and Q&A, suitable for classrooms, meetings, and events.

AGPL-3.0Actively maintained

Alternative to:

Slido+5

Open source Typeform-style multi-step forms and surveys built with a JavaScript library, featuring conditional logic, theming, localization, and flexible submission endpoints.

Apache-2.0Slowing down

Alternative to:

Fillout+2

A self-hosted home lab dashboard for organizing links, managing tasks, monitoring devices, and integrating common homelab apps from a single web interface.

GPL-3.0Likely dormant

Alternative to:

Start.me+8

Movary is a self-hosted web app to track, rate, and explore your movie watch history with statistics, integrations, and automatic scrobbling from media servers.

MITActively maintained

Alternative to:

Simkl+1

Open-source, self-hosted note-taking and documentation app with rich text & Markdown editors, search, attachments, workspaces, REST API and OIDC support.

MITActively maintained

Alternative to:

Notion+19

Open-source digital newsroom platform for news creation, curation, workflow, and multi-channel distribution, built around an API-centric headless CMS.

AGPL-3.0Actively maintained

Alternative to:

Arc XP+13

Cockpit is an API-first, self-hostable headless CMS for managing structured content, assets, and localization with REST and GraphQL APIs.

Actively maintained

Alternative to:

Contentful+16

Nextcloud Notes is a distraction-free note-taking app with Markdown support, favorites, and a REST API. Notes are stored as files in your Nextcloud for easy syncing.

AGPL-3.0Actively maintained

Alternative to:

Simplenote+15

NZBGet is a fast, lightweight Usenet NZB downloader with a remote web UI, queue management, post-processing, and automation-friendly integration with media managers.

GPL-2.0Actively maintained

Alternative to:

Easynews+1

Monitors GitHub and website releases and notifies via WebHooks and messaging channels.

Apache-2.0Actively maintained

Alternative to:

Distill.io+7

Edit audio file metadata through a clean browser UI on headless servers, with bulk editing, smart suggestions, and album art management—no full music library stack required.

AGPL-3.0Slowing down

Alternative to:

MediaMonkey+5

Self-hostable game distribution platform for sharing DRM-free games, with a store UI, rich metadata management, and flexible authentication including SSO.

Self-hosted web app that removes background music and reduces noise from videos or audio (including URLs), using FFmpeg and DeepFilterNet-based enhancement.

MITLikely dormant

Alternative to:

Adobe Acrobat+8

Self-hosted disposable email server for creating temporary addresses to reduce spam and protect privacy, with an optional TLS setup and a web UI.

Actively maintained

Alternative to:

Mailinator+3

Lab Dash is an open-source homepage/dashboard for homelabs. It offers a customizable widget grid, shortcuts, system info, basic health checks, PWA support, and local encrypted configuration.

GPL-3.0Actively maintained

Alternative to:

Start.me+13

Web-based “time machine” for Home Assistant: browse YAML snapshots, view diffs, and restore individual automations, scripts, dashboards, ESPHome and packages.

MITActively maintained

Alternative to:

Acronis Cyber Protect+13

Nextcloud Tasks provides a web-based to-do list with priorities, due dates, subtasks, and CalDAV synchronization with mobile and desktop task clients.

AGPL-3.0Actively maintained

Alternative to:

Todoist+8

Self-hosted Ruby on Rails web interface to browse and manage Docker Registry (HTTP API v2) repositories, tags, and manifests, with optional tag deletion.

Open-source realtime Kanban-style board for teams with an advanced Markdown editor, SSO, import/export, and Docker deployment. Built with React and Sails.js on PostgreSQL.

MITActively maintained

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Trello+19

Unified web UI and REST API to process, review, and train facial recognition images across multiple detection backends, with MQTT and NVR integrations.

MITActively maintained

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Ring Protect+10

Posio is a multiplayer geography game with real-time WebSocket rounds, map-based guessing, and multiple game modes built on Django, GeoDjango, and Channels.

Apache OpenMeetings is a web conferencing and collaboration platform with video meetings, chat, whiteboards, screen sharing, recording, file sharing, and user/room management.

Actively maintained

Alternative to:

Zoom+11

Mozilla Accounts (FxA) is an account and authentication service used by Mozilla clients, providing login, session management, and account-related APIs for Mozilla products.

MPL-2.0Actively maintained

Alternative to:

Auth0+15

Atheos is a self-hosted, web-based cloud IDE and code editor with a small footprint, featuring plugins, multi-user support, and built-in Git integration.

Actively maintained

Alternative to:

Replit+11

Modern Node.js-based BBS server with Telnet/SSH/WebSocket access, theming and mods, message networks, file areas, doors, and strong authentication options.

BSD-2-ClauseActively maintained

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Discourse+14

Self-hosted, privacy-respecting pictionary game (skribbl.io alternative) with real-time drawing, guessing, and multiplayer lobbies—no accounts or ads required.

dpaste is an open source Django pastebin for publishing and sharing text snippets with optional self-hosting via standard Django or Docker deployments.

MITSlowing down

Alternative to:

Pastebin+5

Open-source web music player that builds a library from YouTube/SoundCloud sources, with Spotify playlist import, themes, lyrics, and multi-device syncing.

MITActively maintained

Alternative to:

Spotify+9