Stalwart Mail Server
stalw.artSelf-hosted mail with per-user OpenPGP or S/MIME storage encryption
Self-hosted mail with per-user OpenPGP or S/MIME storage encryption
Self-hosted upload buckets with resumable transfers
Self-hosted discussion forums with approval rules for users or whole forums
A self-hosted ebook library with automated processing
Bitcoin payments with distinct Classic and self-custody wallet modes
A password vault with integrated account aliases
A self-hosted audiobook server with reader clients
Keep a self-hosted history of Internet performance
Monitor networks, servers, applications, and services with discovery, performance data collection, event processing, and alerting.
Automate repository workflows in a self-hosted Gitea instance.
Self-host team chat with configurable rooms, calls, and integration APIs.
Deploy a self-hosted OpenTelemetry stack for application, infrastructure, and AI-agent telemetry.
Trace and investigate AI application calls with a local or self-hosted observability interface.
Correlates logs, metrics, traces, and user-experience telemetry for application and infrastructure troubleshooting.
A browser-based knowledge base built from Markdown notes, links, and a navigable graph.
Keep quick Markdown memos on infrastructure you choose and retrieve them through search.
Publish newsletters on the web and in subscribers' inboxes
Editorial newsletters built from collected links, commentary and searchable back issues
Newsletter tools for classifying bounces and correcting recipient data
Self-hosted WireGuard access with per-connection MFA
Self-hosted business VPN with identity controls and clustering
Automate dependency and lockfile updates through reviewable pull requests across many repository platforms.
A freely downloadable, GPL-licensed database with SQL, replication, connectors, and administration tools.