OpenBB
The open-source alternative to the Bloomberg Terminal, providing a boardroom-ready investment research platform with full data sovereignty for quants and analysts.
Open Source Alternatives: The Sovereign Stack
A curated database of vetted open source alternatives to proprietary SaaS. Find tools that are safe, compliant, and ready for business.
Showing of 110 solutions
Ghostfolio
A privacy-first wealth management dashboard designed for retail investors and Family Offices to track assets with total data sovereignty.
Krayin CRM
The premier MIT-licensed, Laravel-based CRM that provides a boardroom-ready alternative to Salesforce, backed by a SOC 2 Type II certified vendor.
Dyad
A local-first, autonomous AI coding agent that allows for secure, boardroom-ready app building without sending proprietary code to uncertified SaaS backends.
Open Notebook
A privacy-focused, 100% local alternative to Google's NotebookLM, designed for secure AI-assisted research without data leakage.
LibreChat
The premier MIT-licensed AI interface that aggregates all your models (OpenAI, Anthropic, Local) into a single, boardroom-ready dashboard with full sovereignty.
Memos
A privacy-first, lightweight knowledge base that offers a "local-first" alternative to proprietary note-taking apps like Notion and Roam Research.
Zulip
The only 100% open-source team chat that uses topic-based threading to eliminate messaging fatigue and provide boardroom-ready data sovereignty.
Collabora Online
The sovereign alternative to Microsoft 365. High-security, ISO 27001-certified online office suite designed for data sovereignty and government-grade privacy.
Huly
The open-source "Everything Platform." An all-in-one workspace for project management, CRM, and communication, designed as a modern alternative to Jira.
Logseq
Privacy-first, open-source knowledge management. A local-first, graph-based outliner for sovereign thought and secure enterprise intelligence.
Kimai
The EU's premier open-source time-tracking platform. An AGPL-v3 compliant, Symfony-based powerhouse for organizations demanding absolute GDPR residency and zero US CLOUD Act exposure.
ToolJet
The open-source low-code framework for React developers. A SOC 2 Type II compliant alternative to Retool with air-gapped deployment capabilities.
Outline
The beautifully designed, source-available team knowledge base. A self-hosted alternative to Notion and Confluence for teams who value documentation speed.
Metabase
The easiest way for teams to ask questions of their data. An open-source BI tool that democratizes analytics for non-technical users.
Invoice Ninja
The leading open-source invoicing and billing platform for freelancers and agencies. A powerful, self-hostable alternative to FreshBooks and QuickBooks.
ClickHouse
The fastest open-source OLAP database on earth. A real-time analytics powerhouse that replaces Snowflake and BigQuery for petabyte-scale data.
Budibase
The open-source low-code platform for building secure internal tools. A highly compliant, ISO 27001-certified alternative to Retool and Microsoft PowerApps.
BillionMail
The self-hosted email marketing platform with a built-in MTA. A high-risk, high-reward alternative to Mailchimp that offers unlimited sending but requires strict governance oversight.
Typebot
A visual, no-code chatbot builder that lets you create advanced conversational apps and embed them anywhere (Web, WhatsApp) with high conversion rates.
Listmonk
A high-performance, self-hosted newsletter and mailing list manager that provides enterprise-grade mass-mailing capabilities without the recurring per-subscriber tax.
DocuSeal
A secure, open-source alternative to DocuSign that enables businesses to automate document workflows and legally binding signatures with full data sovereignty.
Papra
A simple, modern, and user-friendly document management system (DMS) for organizing your digital life.