happier
Happier is a cross-device client supporting multiple AI coding tools with end-to-end encryption.
- Region
- Overseas
- Pricing
- Free
- Open source
- Yes
- GitHub Stars
- ★ 1.1k
- Source
- GitHub
- Added
- 2026-07-02
- Last verified
- 2026-07-02
Overview
Happier is an open-source, end-to-end encrypted cross-device client that supports various AI coding tools such as Codex, Claude Code, OpenCode, and more. It allows users to run AI coding sessions locally on their computers and continue or control these sessions remotely via mobile, web, or desktop apps without losing context. Whether taking a break or switching devices, Happier keeps your AI coding sessions active and accessible. Happier aims to provide developers with a secure and convenient coding environment.
Key features
- ▪Supports multiple AI coding tools
- ▪End-to-end encryption
- ▪Seamless cross-device switching
- ▪Local execution of AI coding sessions
Use cases
Pros
- ＋Supports multiple AI coding tools
- ＋End-to-end encryption ensures security
- ＋Seamless cross-device switching
Limitations / notes
- －Currently in alpha preview stage, may contain bugs
- －Some features are still under development
Who it's for
This overview was compiled by AI from public sources and may contain inaccuracies — please refer to the official site.
FAQ
Is it free?
Yes, Happier is free and open-source.
Do I need scientific internet access?
No, Happier supports local execution and cross-device usage.
Does it support Chinese?
Documentation is primarily in English, but multilingual input is supported.
Can it be used commercially?
Yes, Happier is an open-source project and is suitable for commercial use.
Similar agents
Cursor
FeaturedAI-powered code editor with Agent mode
Dify
FeaturedOpen-source LLMOps + Agent orchestration platform
扣子 Coze
FeaturedByteDance's no-code Agent/Bot building platform
Trae
FeaturedAI IDE (with Agent) from ByteDance
LangChain
FeaturedThe most mainstream LLM/Agent orchestration framework
Devin
FeaturedAutonomous software engineer Agent by Cognition
Something wrong? Let us know on the About page and we'll fix it.