Self-hosted projects built with ASP.NET Core

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

Actively maintained

Alternative to:

1Password+9

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.

GPL-3.0Actively maintained

Alternative to:

BookFusion+5

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.

MITActively maintained

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BitPay+9

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

MITActively maintained

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WordPress.com+13

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

GPL-2.0Actively maintained

Alternative to:

Ombi (Hosted)+2

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 M3U/XMLTV output.

ZlibActively maintained

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Channels DVR+1

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

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Contentful+19

Self-hosted email archiving system for syncing IMAP and Microsoft 365 mailboxes, indexing content and attachments, and exporting or restoring mailboxes with auditing and retention.

GPL-3.0Actively maintained

Alternative to:

MailStore Server+3

Open-source, self-hosted feature flag management platform with progressive rollouts, targeting rules, A/B testing, audit logs, and APIs for automated releases.

MITActively maintained

Alternative to:

LaunchDarkly+4

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.

MITActively maintained

Alternative to:

Premiumize.me+9

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

AGPL-3.0Slowing down

Alternative to:

YNAB (You Need A Budget)+17

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

AGPL-3.0Actively maintained

Alternative to:

PlayOn Cloud+4

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

AGPL-3.0Actively maintained

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LaunchBox Cloud+3

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 server.

AGPL-3.0Actively maintained

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Evernote+12

WeddingShare is a self-hosted web app for creating shareable wedding photo galleries where guests can view and upload pictures, including QR-code sharing and admin review.

GPL-3.0Actively maintained

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Tinybeans+12

Open-source multi-channel notification service with REST API, management UI, templates and channel abstraction for email, web, push and SMS; built with ASP.NET Core and React.

MITActively maintained

Alternative to:

OneSignal+5

Open-source personal finance app to track spending, manage accounts and assets, build monthly budgets, and monitor trends and financial goals with optional bank syncing.

AGPL-3.0Actively maintained

Alternative to:

Mint (Intuit Mint)+16

Self-hosted audiobook manager that searches, downloads, tracks, and organizes audiobooks from torrents and Usenet with rich metadata and a responsive web UI.

Actively maintained

Alternative to:

Plex+3

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

Actively maintained

Alternative to:

Google Translate+1

Fenrus is a self-hosted personal startpage dashboard that organizes your apps and links into groups, supports multiple users, and can show rich status data for “smart” apps.

MITActively maintained

Alternative to:

Start.me+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.

MITActively maintained

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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 optional AI summaries.

MITActively maintained

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Portainer Business Edition (Portainer Cloud)

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

MITActively maintained

Alternative to:

Trello+19

Open-source server to organize, serve and sync EPUB/PDF ebooks with metadata editing, OPDS support, progress tracking and client auto-discovery.

GPL-3.0Actively maintained

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BookFusion+6

Self-hosted file sharing platform with box-based access controls, S3 or local storage, file previews, ZIP browsing, OCR and optional AI integrations.

AGPL-3.0Actively maintained

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Dropbox+19

Web app to generate GIFs from Plex media and subtitles with integrated Plex login; built on .NET 6 and provided as a Docker Compose service.

LGPL-2.1Likely dormant

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Any Video Converter (AVC) Online+4

Open E-Label is an open-source web application that creates QR-code electronic labels for wine bottles, delivering multilingual product, ingredient and regulatory information to consumers.

Simple companion web app for book clubs to suggest books, run voting rounds, track reading history, write reviews and integrate with Goodreads.

Actively maintained

Alternative to:

Goodreads+5