Hula
🍀 A cross-platform instant messaging desktop application with exceptional performance built on Rust + Vue3, compatible with Windows, macOS, Linux, Android, and iOS（一款基于Rust+Vue3极致性能的跨平台即时通讯桌面应用，兼容Windows、MacOS、Linux、Android、IOS）
Last verified:
What is Hula?
HuLa is an open-source cross-platform instant messaging application built with Rust, Vue 3, Tauri, Vite 7, and TypeScript. It delivers high-performance messaging with a beautiful interface and smooth multi-device experience across Windows, macOS, Linux, Android, and iOS. The app supports text, images, voice messages, emojis, group chats, file sharing, and AI-integrated chatbots.
Key features include end-to-end encryption for privacy, WebSocket-based real-time communication, message recall and reactions, @mentions and replies, read receipts, dark/light theme switching, screenshot functionality, auto-update system, and location sharing. The platform offers plugin extensibility, API integration capabilities, and customizable themes for personalized communication experiences.
HuLa is designed for individual developers, hobbyists, startups building MVP products, growing applications, and large enterprises needing high-concurrency messaging. It serves developers wanting to build custom IM systems, teams needing secure communication, social platforms, and organizations requiring private deployment options with millions of user capacity.
The platform provides a complete backend infrastructure with Spring Cloud microservices (or Pure Rust server for higher tiers), RTC audio/video calling, offline push notifications for APNs and Android, AI interaction capabilities including RAG/bot features, real-time sentiment analysis, and automatic group chat log summarization.
Hula pricing
Pricing model: Freemium
HuLa offers 4 pricing tiers: (1) Build - Forever free for individual developers and hobbyists, includes 1,000 MAU, 50 PCU, 5 GB OSS storage, 1v1 P2P audio/video calls, unlimited APNs push, 10k Android push/month, community support, no AI. (2) Start - Quarterly $159 (save $18) or Annual $623 (save $85) for startups/MVPs, includes 2,000 MAU, 100 PCU, 50 GB OSS, group calls up to 20 CCU, 100k Android push/month, ticket system (48h response), basic AI. (3) Business - Quarterly $1,212 (save $135) or Annual $4,741 (save $647) for growing apps, includes 100,000 MAU, 5,000 PCU, Pure Rust client (20x boost), Pure Rust server (100% boost, 99% less RAM), 500 GB OSS, group calls up to 200 CCU, 1M Android push/month, dedicated group support (12h), advanced AI with RAG/bot. (4) Enterprise - Custom competitive pricing for large enterprises with millions of users, unlimited/custom MAU, custom PCU, custom optimizations, dedicated tech manager 7x24, deep AI customization, BYO OSS. Overage rates: MAU ¥0.5/MAU/mo, RTC Audio ¥28/1,000 mins, RTC Video ¥58/1,000 mins, OSS ¥0.5/GB/mo, Android Push ¥0.02/msg.
Hula pros
- Open-source with full code access for customization
- Cross-platform support on Windows, macOS, Linux, Android, iOS
- Built with Rust and Vue 3 for exceptional performance
- Free forever tier with core IM features
- End-to-end encryption for privacy and security
- WebSocket-based real-time message delivery
- Message recall and reaction features
- Dark and light theme switching with skin customization
- Built-in screenshot functionality
- Auto-update system for seamless maintenance
- AI chatbot integration with RAG capabilities
- Group chat up to 200 concurrent users on Business plan
- Voice and video calls with P2P support
- Plugin ecosystem for extensibility
- Rich API interfaces for third-party integration
- Message history management with search
- Online status indicators and read receipts
- File upload support via Qiniu Cloud
- System tray notifications
- Location sharing functionality
Hula cons
- macOS installation requires certificate workarounds
- Free tier limited to 1,000 monthly active users
- Free tier only supports 1v1 P2P audio/video calls
- Android push limited to 10k messages per month on free tier
- AI features not available on free Build plan
- Pure Rust client only available on Starter tier and above
- Server-side Rust optimization requires Business tier
- 5 GB monthly OSS storage on free plan
- Community support only on free tier (no dedicated help)
- Secondary developers must comply with local laws independently
Frequently asked questions about Hula
What is HuLa?
HuLa is an open-source instant messaging system built on Tauri, Vite 7, Vue 3, and TypeScript. It leverages Tauri's cross-platform capabilities and Vue 3's responsive design, combined with TypeScript's type safety and Vite 7's fast building, providing users with an efficient, secure, and easy-to-use communication solution supporting Windows, macOS, Linux, Android, and iOS.
Is HuLa free to use?
Yes, HuLa offers a forever free Build tier for individual developers and hobbyists. The free plan includes 1,000 monthly active users, 50 concurrent users, 5 GB monthly OSS storage, 1v1 P2P audio/video calls, unlimited APNs push, 10k Android push per month, and access to core messaging features with community support.
What platforms does HuLa support?
HuLa supports Windows 10/11, macOS 10.5+, Linux Ubuntu 22.0+, iOS/iPadOS 9.0+, and Android 8.0+. The app provides a unified user experience across all platforms with native performance through Tauri's cross-platform architecture.
What messaging features does HuLa include?
HuLa supports one-on-one private chat, group chat, message recall, @mentions and replies, read receipts, emoji packs, message right-click menu, link preview cards, message likes/interactions, history management, text/images/voice messages, and file sharing via Qiniu Cloud.
Does HuLa support AI features?
Yes, AI features are available on paid plans. The Start tier includes basic AI (limited), Business tier offers advanced AI with RAG/bot capabilities, and Enterprise tier provides deep AI customization. AI features include chatbot integration, automatic long group chat log summarization, real-time user sentiment analysis API, and high-quality real-time message translation powered by AI.
How does HuLa ensure security and privacy?
HuLa uses end-to-end encryption technology to ensure user privacy and data security. Messages are encrypted during transmission to protect communication content from interception. The application is built on secure modern technologies including TypeScript for type safety and Rust for memory-safe performance.
Can I customize and extend HuLa?
Yes, HuLa is completely open-source and supports custom development and extension. Users can create their own IM system with rich API interfaces for integration with other systems. The platform offers plugin ecosystem for feature expansion, theme customization, and configuration options for different scenarios.
What technical support is available?
Support varies by plan: Build tier gets community support and documentation, Start tier includes ticket system with 48-hour response, Business tier offers dedicated group support with 12-hour response, and Enterprise tier provides 7x24 technical manager support for critical enterprise needs.
What is the maximum group size for video calls?
Group video call capacity depends on the plan: Build tier supports 1v1 P2P calls with 2 CCU, Start tier supports group calls up to 20 CCU, Business tier supports group calls up to 200 CCU, and Enterprise tier offers custom CCU capacity for high-concurrency enterprise needs.
How do I install and run HuLa?
Clone the repository via 'git clone https://github.com/HuLaSpark/HuLa.git', enter the directory with 'cd HuLa', install dependencies with 'pnpm install', run development server with 'pnpm run tauri:dev', and build production version with 'pnpm run tauri:build'. macOS users may need to allow 'any source' in Security settings and run 'sudo xattr -rd com.apple.quarantine' on the installer if certificate errors occur.