Fast, native email for every inbox you have.
Also for Windows and Linux. Free, open source, MIT licensed.
Written in Rust.
Drawn on your GPU.
Picacho is built on GPUI, with no Electron and no webview underneath. The whole app, interface included, ships as a single binary under 50 MB.
- language
- Rust
- interface
- GPUI
- electron
- none
- webview
- none
- binary
- < 50 MB
- Windows
- macOS
- Linux
Bring every account.
- Gmail
- Outlook
- Pinal Mail
- no bridge needed Proton
- any other provider IMAP
Sign in to Gmail, Outlook or Proton—no bridge needed—or connect any other provider over IMAP. Your mail stays in step everywhere you read it.
First-class with Pinal Mail Picacho and Pinal Mail are made by the same team, and it shows: Pinal Mail gets first-class integration, built in from the start.Easy from the first minute.
Three panes, plain words, and every control where you'd look for it. The composer docks over the message you're reading, saves as you type, and gets out of the way when you're done.

Hand out aliases, not your address.
Picacho works with alias services like SimpleLogin, addy.io and Firefox Relay. Write and reply as an alias, and your real address stays out of the conversation.
Make it yours.
Seven accent colors, light and dark, and folders arranged the way you think. Pick a color and this whole page will follow.
- Inbox 3
- Starred
- Sent
- Archive
Optional AI.
Local by design.
Picacho's AI features are optional, and they run on small custom models that live on your computer. Your mail is never sent anywhere to be read.
Browse the open models on Hugging Face- Saguaro Coffee Receipt
- Parcel desk Shipping
- Sophie Chen Personal
- Desert Weekly Newsletter
Saguaro Coffee Roasters
Order 1042 · Nov 12
- Sonoran blend, 340 g × 2
- $34.00
- Pour-over filters
- $8.50
- Shipping
- $4.00
The link says one address and goes to another.
Arrives Thursday
- Ordered
- Shipped
- Out for delivery
- Delivered