1.postalserver / postal
📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail
- ruby
- smtp
- postal
- mail-server
+238 stars
from 16,679 · score 5.48
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
14 repositories by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
2.onetimesecret / onetimesecret
Keep passwords and other sensitive information out of your chat logs and inboxes.
+97 stars
from 2,881 · score 4.58
3.capistrano / capistrano
A deployment automation tool built on Ruby, Rake, and SSH.
- deployment
- ssh
- ruby
- capistrano
+48 stars
from 12,963 · score 3.89
4.sj26 / mailcatcher
Catches mail and serves it through a dream.
+20 stars
from 6,763 · score 3.04
5.excid3 / noticed
Notifications for Ruby on Rails applications
+8 stars
from 2,695 · score 2.20
6.mattes / rotating-proxy
Rotating TOR proxy with Docker
+6 stars
from 1,216 · score 1.95
7.fphilipe / premailer-rails
CSS styled emails without the hassle.
+3 stars
from 1,763 · score 1.39
8.socketry / rubydns
A DSL for building fun, high-performance DNS servers.
- dns-server
- resolver
- rubydns
- asynchronous
- ruby
+3 stars
from 724 · score 1.39
+2 stars
from 4,347 · score 1.10
+2 stars
from 1,022 · score 1.10
11.RubyCrypto / rbnacl
Ruby FFI binding to the Networking and Cryptography (NaCl) library (a.k.a. libsodium)
- cryptography
- nacl
- libsodium
- ruby
- x25519
- ed25519
- +2 more
+2 stars
from 984 · score 1.10
12.sup-heliotrope / sup
A curses threads-with-tags style email client
+2 stars
from 969 · score 1.10
13.alexdalitz / dnsruby
Dnsruby is a feature-complete DNS(SEC) client for Ruby, as used by many of the world's largest DNS registries and the OpenDNSSEC project
+2 stars
from 207 · score 1.10
14.bensie / sshkey
SSH private and public key generator in pure Ruby (RSA & DSA)
+1 stars
from 279 · score 0.69