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Alternative toGather

Open source 2D virtual office with proximity video calls

• 5,870 GitHub stars
• CustomLicence AGPL-3.0-only WITH Commons-Clause
• #Chat

Alternative toMicrosoft Copilot

Self-hosted AI assistant that searches your notes and web

• 37,768 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #AI Agents

Alternative toNotion

Block-based notes with backlinks and end-to-end encrypted sync

• 46,858 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toClerk

Drop-in TypeScript auth with MFA, SSO, and multi-tenancy support

• 30,392 GitHub stars
• MITLicence MIT

Alternative toMuse

Self-hosted open source personal assistant for your server

• 17,595 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toMem0

Add persistent user memory to any LLM app via API, Apache 2.0

• 31,339 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toContentful

Flexible developer-friendly CMS for content teams

• 3,617 GitHub stars
• #CMS

Alternative toADP Workforce Now

All-in-one HRMS for recruitment, payroll, and leave management

• 1,462 GitHub stars
• LGPL-2.1Licence LGPL-2.1

Alternative toPusher

Self-hosted Pusher-compatible WebSocket server, open source

• 5,635 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toVoiceflow

Visual chatbot builder with LLM integration and live deployment

• 22,570 GitHub stars
• MITLicence MIT
• #Chatbots