Open source alternatives to Spike
50 open source AI apps to use instead, best rated first.
Top picks
- O

Open WebUI
LaunchSelf-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Open sourceSelf-hosted
- A

AutoGPT
LaunchPlatform for building, deploying, and running AI agents that automate repeatable digital work across research, outreach, content, and support without writing code.
Open source
- P

pi
LaunchTerminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.
Open source
- A

AFFiNE
LaunchAn open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open source
- A

aider
LaunchTerminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.
Open source
- A

AppFlowy
LaunchOpen source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open source
More AI apps
About Spike
Spike
Featured 'App of the Day'
Featured 'App of the Day' - Spike is your secure, AI-powered email app that feels like a messenger app Handle multiple accounts, long threads, and inbox overload in one fast, organized inbox. Built for professionals and teams who want email that’s smarter, simpler. Spike helps you stay on top of everything with faster replies, fewer missed messages, and less overwhelm.
- Price
- Freemium
- Made by
- SpikeNow Ltd.
- Category
- AI
- Website
- spikenow.com



