Love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
- Stars
- 17.9k
- Growth
- –
- Launched
- Oct 2016
GPL-3.0updated today
Thunderbolt
thunderbird/thunderbolt
AI You Control: Choose your models. Own your data. Eliminate vendor lock-in.
- Stars
- 4,801
- Stars a day
- 11
- Launched
- Jul 23, 2025
- License
- MPL-2.0
- Language
- TypeScript
- Activity
- updated today
- ai
- ai-agents
- llms
- on-device-ai
What Thunderbolt buries
Other ways to bury Superhuman
AI email assistant that automates, organizes, and declutters
- Stars
- 12.7k
- Growth
- +428
- Launched
- Jul 2023
Custom licenseupdated today
A unified workspace for teams: email, chat, docs, tasks, agents, calls, and CRM — @-linked together with shared AI memory.
- Stars
- 4.8k
- Growth
- 14/day
- Launched
- Nov 2025
AGPL-3.0updated today
Open source desktop email client
- Stars
- 724
- Growth
- 3/day
- Launched
- Feb 2026
Apache-2.0updated 4mo ago