Pony
The antidote for your email overload
20 Alternatives To Pony
ATS
American Thoracic Society
CTemplar
CTemplar offers users the world’s most secure encrypted email program.
Common Lisp
The modern, multi-paradigm, high-performance, compiled, ANSI-standardized descendant of the long-running family of Lisp programming languages
Elixir
Dynamic, functional language designed for building scalable and maintainable applications
Enigmail
Security extension to Mozilla Thunderbird and SeaMonkey
Idris
Programming, Programming Language, Learning Resources, Languages, and Frontend Development
MailDrop
maildrop is a Mail delivery agent used by the Courier Mail Server. The maildrop MDA also includes filtering functionality. maildrop receives mail via stdin and delivers in both Maildir and mbox formats.
NIM
GB64.COM is the home of The Gamebase Collection of C64 games.
OCaml
(* Binary tree with leaves carrying an integer.
OnionMail
OnionMail the TOR encrypted Mail Server
PicoLisp
Programming Language
ProtonMail
Secure email with absolutely no compromises. Get your free encrypted email account today.
Riseup
Riseup provides online communication tools for people and groups working on liberatory social change. We are a project to create democratic alternatives and practice self-determination by controlling our own secure means of communications.
Rust
A safe, concurrent, practical language. Rust is blazingly fast and memory-efficient: with no runtime or garbage collector, it can power performance-critical services, run on embedded devices, and easily integrate with other languages.
Swift
Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc. for iOS, macOS, watchOS, tvOS, Linux and z/OS.
Tutanota
Get your encrypted mailbox for free.
Zig
Zig is a general-purpose programming language designed for robustness, optimality, and maintainability.