Self-hosted projects using .NET CLR

Jellyfin is a free, self-hosted media server to organize, manage, and stream movies, TV, music, and photos to web, mobile, and TV clients.

Alternative to:

Plex+19

Bitwarden is an open-source password manager that stores, shares, and autofills credentials with zero-knowledge encryption; supports cloud or self-hosted deployments.

Alternative to:

1Password+9

Jackett is a self-hosted indexer proxy that integrates many torrent trackers and exposes them through a unified Torznab/Newznab-compatible API and RSS feeds for apps like...

Open-source backup client for encrypted, compressed, incremental backups to cloud storage and remote servers via SFTP, WebDAV, and more.

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Duplicacy (Commercial)+15

Open-source self-hosted reading server providing EPUB/PDF/comics readers, OPDS feeds, rich metadata, user/role management, full-text search and a REST API.

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BookFusion+5

Cross-platform DNS server with authoritative/recursive modes, encrypted DNS (DoH/DoT/DoQ), DNSSEC, ad/malware blocking, DHCP, and an HTTP API with web admin UI.

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Cloudflare DNS+10

BTCPay Server is a free, open-source, self-hosted Bitcoin payment processor for accepting on-chain and Lightning payments, with invoicing, POS, and API automation.

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BitPay+9

Self-hosted indexer manager/proxy that centralizes torrent trackers and Usenet indexers, syncing configuration to Sonarr, Radarr, Lidarr, Readarr, and more.

Umbraco CMS is an open-source ASP.NET Core content management system with an editor-friendly backoffice, extensible architecture, and scalable deployment options.

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WordPress.com+13

Self-hosted music collection manager that monitors artists, grabs releases from Usenet/torrents, and automatically imports, renames, and upgrades your library.

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Lidarr

Ombi lets Plex, Emby and Jellyfin users request movies, TV shows and music, integrates with Sonarr/Radarr/Lidarr and automates request delivery and notifications.

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Ombi (Hosted)+2

Self-hosted ebook and audiobook collection manager that automates searches, downloads, upgrades, and library organization via Usenet and BitTorrent clients.

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Readarr

slskd is a modern Soulseek client-server daemon with a web UI for searching, downloading, and managing transfers, chats, and user shares from a browser.

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SoulseekQt

ErsatzTV is an open-source media server that creates scheduled, EPG-driven IPTV-style channels from local libraries or Plex/Jellyfin/Emby, with hardware transcoding and M...

Alternative to:

Channels DVR+1

Privacy-first, end-to-end encrypted password and email alias manager with passkeys, TOTP, apps and extensions, plus a built-in email server for self-hosting.

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SimpleLogin+12

Automates cleanup of stuck, stalled, or malicious downloads in Sonarr/Radarr and supported torrent clients, with blocking rules and optional re-search.

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

Self-hosted photo management system for large folder-based libraries with fast full-text search, metadata indexing, and on-device face/object detection.

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Google Photos+9

OpenBudgeteer is a self-hosted bucket budgeting web app inspired by YNAB, helping you plan, track transactions, and monitor spending with reports.

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YNAB (You Need A Budget)+17

WebDAV server that mounts NZB files as a virtual filesystem for streaming; provides a SABnzbd-compatible API and integrates with Sonarr/Radarr for media-server workflows.

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Premiumize.me+9

Privacy-first, end-to-end encrypted note-taking app with desktop, mobile and web clients, open-source code, web clipper, bidirectional links, and a self-hostable sync ser...

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Evernote+12

Open-source .NET-based ROM and title manager that organizes ROMs, fetches metadata from external sources, and provides in-browser emulation.

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LaunchBox Cloud+3

Self-hosted ROM and game library manager that identifies titles from multiple sources, enriches metadata, and lets you play supported systems in the browser.

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PlayOn Cloud+4

Self-hosted ecosystem to organize, share, and download your legally owned DRM-free PC games from your own server, with a web UI and Windows client.

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Steam+1

A configurable subtitle translation platform supporting multiple local and SaaS translation services.

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Google Translate+1

Reaparr is a cross-platform Plex downloader that copies media from other Plex servers into your own library, with a web UI and resilient multi-threaded downloads.

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put.io+8

Open-source platform to host, distribute and launch games on local networks with a dedicated launcher, game uploads/downloads, server management and basic chat.

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Steam+2

Self-hosted Docker Compose updater that discovers compose stacks, monitors GitHub releases, groups related services, and applies controlled updates with notifications and...

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Portainer Business Edition (Portainer Cloud)

Lightweight C# service that polls RSS and YouTube feeds and posts updates to Discord via webhooks. Docker-ready, configurable, supports forum channels and embeds.

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Blogtrottr+2

Open-source Kanban board and task management app built with ASP.NET Core Blazor. Supports projects, boards, cards, subtasks, time-tracking, attachments, reminders and Tre...

Alternative to:

Trello+19