Explore open-source tools in Email & Communication.

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All Accounting

8

AI Automation

7

AI Usage Tracking

6

Antivirus & Malware

1

Auth & SSO

11

Backup

5

CMS

6

Cybersecurity

19

Database

19

Developer Tools

1

Documentation

10

Download Manager

6

Email & Communication

6

Email marketing

8

Email SMTP

1

ERP

11

File Hosting

3

Form Builder

2

Gaming

6

Link Shortener

2

Messaging API

3

Notetaking

16

Password Manager

9

PDF

4

Push Notifications

1

Remote Desktop

3

Server & VM Management

16

Social Media Scheduling

1

Text Editor

8

Uptime Monitoring

7

VPN

4

Web Analytics

6

Web Application Firewall

5

2D Game

1

2FA

8

3D Engine

1

3D Game

1

3D Graphics

1

3D Rendering

1

Access Control

1

Accessibility

1

Accounting

14

Administration

1

Agents

5

AI

8

ai agents

4

AI Analytics

1

ai assistant

1

AI Automation

6

ai bot

1

AI Coding

1

AI Usage Tracking

2

akunting

8

Analytics

10

Anti Bot

1

Antivirus

1

Aplication Security

1

apps

1

AppSec

1

Aria2

1

Artisanal

1

attacks-prevention

1

Authentication

11

Authorization

1

Automation

6

Backup

4

Big Data

1

Biling

2

Binary Analysis

1

BitTorrent

3

Blockchain

1

blogging-platform

2

bot

2

Browser Extension

1

Bruteforce

2

Business

1

Censorship

1

Chat Aplication

1

ChatBot

2

Checklist

1

Claude

4

Claude Code

2

CLI Tool

5

cloud

5

Cloud Database

1

cloud storage

4

cloude code

4

cloude skills

1

CMS

6

Code Editor

8

Codex

2

Collaboration

6

Command Line

1

Compress PDF

1

content-management-system

5

Control Panel

4

Conversational Bots

1

Copaw

1

Copilot

1

Cost Tracking

1

Creators

1

CRM

10

Cross-platform

4

Curl

1

Cursor

1

CyberSecurity

22

d2c

1

Database

23

Database Backup

1

Database Management

1

Db Admin

1

DBMS

1

Debugger

1

Defense

1

Desktop

2

Desktop App

1

Developer Tools

4

Diagramming

1

Disassembler

2

Docker

8

Docs Framework

1

Docs Generato

1

Document Management

1

Document Sharing

1

Documentation

11

Download

6

Download Manager

6

Downloader

4

Dynamodb

1

Dynamodb Admin

1

Dynamodb Gui

1

Dynamodb Local

1

Educational

1

email

16

Email Alias

2

email marketing

8

Emal SMTP

1

Encryption

6

end to end encryption

2

ERP

11

File Hosting

3

File Manager

1

Finance

3

Fintech

2

Firewall

3

Flashcards

1

Form Builder

2

FTP

1

Game Engine

4

Gamedev

2

Gaming

6

GitBook

1

go

6

golang

4

golang whatsapp

1

golang whatsapp api

1

Google Analytics

5

google cloud storage

1

Hackers

1

Hacking

3

Hacktoberfest

1

Handwriting

1

headless-cms

1

Hex Editor

1

Homelab

1

Hosting

1

Hosting Panel

2

http api

1

http-flood

2

Human Resources

1

IDE

1

Identity Provider

2

imap

1

Information Gathering

1

Infosec

1

Inventory Management

3

Investigation

1

Invoice

10

IPFS

1

Jamstack

1

jmap

1

KeePass

3

Kimi

1

Knowledge Base

3

KVM

1

Laravel

7

LaTeX

1

Link Shortener

2

Litespeed

1

live-blogging

1

LLM

4

Local First

3

Low Code

2

mail server

7

mailbox

5

Malware

1

Malware Analysis

3

management

4

Manufacturing

1

MariaDB

5

Markdown

7

Markdown Editor

2

markdown-cms

3

Marketing

1

MCP Client

1

MCP Server

1

Memory

1

Mindmap

1

Mindmap Editor

1

Mindmapping

1

money

2

Monitor

3

Monitoring

5

Monitoring Tool

1

Multi Platform

2

Multilingual

1

Multiplayer

3

Namechecker

1

Native macOS

1

Network Security

1

Nextjs

3

NFS

1

No Code Database

2

no-code

5

Note Management

2

Note Taker

1

Note Taking

16

Notifications

9

OAuth2

2

OIDC

3

Online Database

1

Openai Codex

1

OpenClaw

1

OpenCode

1

openlitespeed

1

Oracle

1

OSINT

4

P2P

1

Panel

1

Passkeys

1

Password Generator

1

Password Manager

10

Password Store

1

Passwordless

2

Pattern Language

1

Payments

4

Payroll

2

PDF

4

PDF Converter

3

PDF Editor

3

PDF Generation

1

PDF Merger

3

PDF OCR

1

PDF Tools

2

PDF Viewer

2

PDF Web Apps

1

PDFJS

1

Penetration Testing

2

Pentesting

3

php

16

pop3

1

Privacy

4

Product Analytics

4

Program Analysis

1

Project Management

3

Proxy

3

Purchasing

1

Push Notifications

2

Python

2

python bot

1

RDP

1

React

1

Reconnaissance

2

Redis-Gui

1

Redis-Management

1

Redis-Sentinel

1

relational-database

1

Remote Control

3

Remote Desktop

3

rest

1

rest api

1

Reverse Engineering

2

S3

1

SAML

1

SAP

1

Scanner

1

Scheduling Tool

1

Scripting

1

Security

21

Security Tools

9

Security Tuning

1

Self Hosting

2

Self-Hosted

15

Server

12

Serverless

1

SFTP

1

Shadowsocks

1

Short URL

1

Shortener

1

SIEM

1

smtp

1

Social Media Scheduling

1

Social Media Scheduling Tool

1

Split PDF

1

SQL

18

SQL Server

8

SSO

9

static-site-generator

1

Statistics

3

Statuspage

1

Stride

1

Study

1

Surveillance

1

System Tray

1

Tailscale

1

Tauri

1

Teamviewer

1

Terminal

4

Text Editor

9

Threat Intelligence

1

ticketing-system

1

Two Factor

1

Typescript

3

Upstash

1

Uptime

6

Uptime Checker

1

Uptime Monitoring

8

URL Shortener

1

Usage Stracker

1

Vercel

1

VFS

1

Vibe Coding

1

Virtual Networking

1

VPN

4

VueJS

1

Vulnerability

1

WAF

4

Web Analytics

6

Web Application Firewall

1

Web Panel

2

WebApp

3

Webdav

1

WebSecurity

4

WebServer

3

website-builder

1

whatsapp

3

whatsapp api go

1

whatsapp automation

1

whatsapp bot

1

whatsapp chat

1

whatsapp multi device

1

whatsapp web

1

whatsapp web api

1

whatsapp web js

1

whatsapp web multi device

1

whatsapp-api

3

Wiki

6

WireGuard

3

Wireguard VPN

3

Word Game

1

Wordops

1

WordPress

2

Workflow

2

Workspace

1

Writing

1

WYSIWYG

1

XDR

1

Zero Trust

3

Zero Trust Security

1

.NET

1

Android

1

Apache

3

Astro

2

aws

1

C++

15

Cloud Storage

2

CMake

7

Compose

1

cryptography

1

CSS

8

Dart

2

Delphi

1

DirectX

1

django

1

docker

62

dotnet

1

Eclipse RCP

1

express

1

fastapi

2

floem

1

Flutter

5

Free Pascal

1

Gitbook

1

GitHub Actions

1

GitHub Pages

1

GLSL

1

go

47

golang

45

GPUI

1

groovy

2

HTML

1

javascript

171

kotlin

2

kubernetes

1

laravel

13

Lazarus

1

Libtorrent

1

Linux

1

LLVM

1

Lua

1

macOS

1

Makefile

1

mariadb

4

Material Design

2

MCP

1

Meson

1

MobX

1

ModSecurity

1

mongodb

3

mysql

6

nextjs

22

Nginx

3

Nix

3

nodejs

103

nuxt

1

OpenJDK 21

1

OpenSSL

2

OSGi

1

php

48

postgresql

7

PowerShell

2

pyqt5

1

python

39

react

82

requests

1

rust

10

SDL2

1

Shell

9

Sieve

1

sql

2

svelte

1

swift

1

Tailwind CSS

12

ticketing-system

1

tree-sitter

1

typescript

113

Vim Script

1

vue

16