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ParalinoSystem Utilities & Windows TweaksPrivate location sharing and family safety app for Android and iOS with end-to-end encryption, groups, place alerts, privacy zones, location history and a personal space. Apps are AGPL-3.0, with a de-googled Android APK.Open sourceSoftwareFreemium
RelaticleCRM & Customer PlatformsAGPL-3.0 CRM on Laravel and Filament for companies, people, opportunities, tasks and notes, with custom fields, a REST API, an MCP server for Claude and ChatGPT and the Rela assistant. Self-host with Docker for free or use Relaticle Cloud.Open sourceSelf-hostedFreemium
SciraSearch EnginesScira is an AGPL-3.0 AI search and research app built on Next.js and the Vercel AI SDK. It runs multi-source searches with inline citations, scheduled Lookouts, voice and an iOS app, hosted at scira.ai or self-deployed.Open sourceSelf-hostedFreemium
SignalTeam Chat & MeetingsSignal is a nonprofit-run private messenger with end-to-end encrypted chats, voice and video calls, groups, stories, disappearing messages and optional usernames. Its Android app is open source under the AGPL.Open sourceSoftwareFree
StoatTeam Chat & MeetingsStoat, formerly Revolt, is an AGPL-licensed chat platform for communities with servers, channels, roles, group DMs, LiveKit voice and a REST and WebSocket API. Use the free stoat.chat service or self-host the Rust backend with Docker Compose.Open sourceSelf-hosted
Twake ChatTeam Chat & MeetingsTwake Chat is an AGPL-licensed Flutter client for the Matrix protocol, built by Linagora. It offers group chats, spaces, voice messages, end-to-end encryption and compatibility with other Matrix clients on Android, iOS and the web.Open sourceWeb platform
UbicloudCloud Providers & HostingUbicloud is an open-source, AGPL-licensed cloud platform that provides virtual machines, networking, managed PostgreSQL, Kubernetes, GitHub Actions runners and AI inference on bare metal, as a managed service or self-hosted.Open sourceSelf-hostedFreemium
useSendAPIs & IntegrationsuseSend is an AGPL-3.0 email platform that sends through Amazon SES. It offers a REST API, SMTP relay, TypeScript, Python and Go SDKs, campaigns, contact books, webhooks and analytics, as a hosted service or a self-hosted Docker install.Open sourceSelf-hostedFreemium
VikunjaProject ManagementVikunja is an AGPL-licensed task manager written in Go. It runs as a single binary or Docker container on SQLite, MySQL or PostgreSQL, offers four project views, CalDAV, webhooks, SSO and an MCP server, and is also sold as an EU-hosted cloud service.Open sourceSelf-hostedFreemium
WindshiftProject ManagementWindshift is an AGPL-licensed work management platform that runs as a single Go binary with SQLite or PostgreSQL. It covers boards, sprints, roadmaps, service management, test management, time tracking and a Jira importer.Open sourceSelf-hosted
ZabbixMonitoring & ObservabilityZabbix is an open-source distributed monitoring platform from Zabbix LLC (Riga, Latvia). It collects metrics with agents or agentless checks, detects problems with triggers, sends alerts and shows dashboards. Version 8.0 LTS adds OpenTelemetry, APM and ClickHouse.Open sourceSelf-hostedFreemium