# mblaze vs Sup

- mblaze: Set of small Unix utilities for reading, searching, threading and composing mail stored in Maildir folders.
- Sup: Curses email client in Ruby built around threads, labels and fast full-text search over local mail.

## Differences

- mblaze is a command-line program; Sup is a full-screen terminal client.
- Only Sup has built-in mbox.
- On BSD, mblaze runs natively and Sup builds from source.
- Sup has Vim-style keys; mblaze does not.
- mblaze is written in C; Sup in Ruby.
- Configuration: mblaze uses ~/.mblaze/profile (header-style key: value lines), and Sup uses ~/.sup/config.yaml and ~/.sup/sources.yaml, plus Ruby hooks.

## Side by side

| | mblaze | Sup |
| --- | --- | --- |
| Interface | Command-line tools and prompts | Full-screen terminal interface |
| Language | C | Ruby |
| License | CC0 1.0 and MIT | GPL 2.0 or later |
| Linux | Native | Native |
| macOS | Native | Native |
| Windows | Through WSL | Through WSL |
| BSD | Native | Build from source |
| Android | Not supported | Not supported |
| IMAP | Through a separate tool | No |
| POP3 | Through a separate tool | No |
| SMTP | Through a separate tool | Through a separate tool |
| JMAP | No | No |
| Maildir | Yes | Yes |
| mbox | No | Yes |
| notmuch | No | No |
| OpenPGP | via contrib scripts | Yes |
| S/MIME | No | No |
| OAuth2 sign-in | No | No |
| Threads | Yes | Yes |
| Search | mpick and magrep filter messages by headers, flags and content | Xapian full-text index with a query language |
| HTML mail | via a filter command in ~/.mblaze/filter used by mshow | via the mime-decode hook and an external viewer such as w3m |
| Mouse | No | No |
| Multiple accounts | via separate Maildirs and profile settings | Yes |
| Offline use | full; works only on local Maildir | reads local Maildir or mbox; sync with isync or OfflineIMAP |
| Calendar | No | No |
| Contacts | No | tracks recent contacts automatically |
| Vim-style keys | No | Yes |
| Configuration | ~/.mblaze/profile (header-style key: value lines) | ~/.sup/config.yaml and ~/.sup/sources.yaml, plus Ruby hooks |

Pages: [mblaze](https://terminalemail.com/clients/mblaze/index.md), [Sup](https://terminalemail.com/clients/sup/index.md)