1.postalserver / postal
📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail
- ruby
- smtp
- postal
- mail-server
+504 stars
from 16,408 · score 6.22
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
13 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
2.onetimesecret / onetimesecret
Keep passwords and other sensitive information out of your chat logs and inboxes.
+201 stars
from 2,775 · score 5.31
3.capistrano / capistrano
A deployment automation tool built on Ruby, Rake, and SSH.
- deployment
- ssh
- ruby
- capistrano
+97 stars
from 12,914 · score 4.58
4.sj26 / mailcatcher
Catches mail and serves it through a dream.
+52 stars
from 6,731 · score 3.97
5.excid3 / noticed
Notifications for Ruby on Rails applications
+33 stars
from 2,671 · score 3.53
+18 stars
from 1,006 · score 2.94
7.mattes / rotating-proxy
Rotating TOR proxy with Docker
+17 stars
from 1,205 · score 2.89
8.fphilipe / premailer-rails
CSS styled emails without the hassle.
+16 stars
from 1,750 · score 2.83
9.sup-heliotrope / sup
A curses threads-with-tags style email client
+13 stars
from 958 · score 2.64
+4 stars
from 4,346 · score 1.61
11.bensie / sshkey
SSH private and public key generator in pure Ruby (RSA & DSA)
+2 stars
from 278 · score 1.10
12.RubyCrypto / rbnacl
Ruby FFI binding to the Networking and Cryptography (NaCl) library (a.k.a. libsodium)
- cryptography
- nacl
- libsodium
- ruby
- x25519
- ed25519
- +2 more
+1 stars
from 984 · score 0.69
+1 stars
from 416 · score 0.69