Simplicity is a mail client for OS X.
It will replace the Mail.app on my Mac eventually.
- Fast folder-oriented interface;
- Hidden (unused) and favorite folders;
- Folders and messages coloring;
- Message threads with collapsible cells;
- Search in folder/mailbox;
- Search history;
- Search in any of previous search results;
- Highlighting search patterns in the found messages;
- Undo/redo for as many mail operations as possible;
- Small local message database;
- Configurable key shortcuts;
- Configurable color schemes;
- Multiple email accounts;
- Account migration tool.