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MailMum

Free alternatives to MailMum

50 free Developer Tools apps to use instead, best rated first.

Top picks

  1. GitHub

    Launch

    Host and review code, manage projects, and build software with millions of developers.

    Free

  2. P

    Payload CMS

    Launch

    Payload CMS is a self-hosted, code-first content management system that gives developers full control over their data structure and admin UI. It combines a powerful API, flexible authentication, file uploads, and localization out of the box

    FreeOpen sourceSelf-hosted

  3. O

    OneDev

    Launch

    OneDev is a comprehensive Git server that integrates CI/CD, Kanban boards, and package management all in a single platform. It aims to provide a seamless and unparalleled experience for developers and teams working on software projects.

    FreeOpen sourceSelf-hosted

  4. S

    SuiteCRM

    Launch

    SuiteCRM is an open source Customer Relationship Management (CRM) software solution that provides a 360-degree view of your customers and business. It empowers businesses to streamline operations, enhance customer engagement, and increase s

    FreeOpen sourceSelf-hosted

  5. Replit

    Launch

    Code, create, and deploy anything from your browser. Includes Agent for full-stack AI coding.

    Free

  6. CodePen

    Launch

    The best place to build, test and discover front-end code. HTML, CSS, JS — live.

    Free

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Dokploy

Open-source alternative to Heroku, Vercel, and Netlify

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8
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drawDB

Online Database Schema Design & ER Diagram Tool

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9
A

AdGuard Home

User-friendly ads & trackers blocking DNS server. (Source Code) GPL-3.0 Docker

Launch
10
C

Caddy

Powerful, enterprise-ready, open source web server with automatic HTTPS

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11
E

Eclipse IDE

Create and refine code with an intuitive interface, track changes, debug

Launch
12
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Kanboard

Simple visual task board. (Source Code) MIT PHP

Launch
13
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Traefik

HTTP reverse proxy and load balancer that makes deploying microservices easy

Launch
14
W

Wiki.js

Modern, lightweight and powerful wiki app using Git and Markdown

Launch
15
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Jenkins

Automate testing, deploy apps, monitor performance, and streamline workflow

Launch
16
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Paperless-ngx

Scan, index, and archive all of your paper documents with an improved interface

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17
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PrivateBin

Minimalist pastebin/discussion board where the server has zero knowledge of

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18
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Teleport

Certificate authority and access plane for SSH, Kubernetes, web applications

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19
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MindsDB

AI layer for existing databases

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20
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Graylog

Easily monitor, analyze, troubleshoot log data

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21
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Postal

Complete and fully featured mail server for use by websites & web servers

Launch
22
N

Nginx Proxy Manager

Docker container for managing Nginx proxy hosts

Launch
23
R

revealjs

Framework for easily creating beautiful presentations using HTML

Launch
24
D

diaspora

Distributed social networking server. (Source Code) AGPL-3.0 Ruby

Launch
25
U

Umbrel

A beautiful personal server OS for self-hosting

Launch
26
T

Thingsboard

IoT Platform - Device management, data collection, processing and visualization

Launch
27
T

Tipi

Homeserver manager. One command setup

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28
D

Dawarich

Visualize your location history, track your movements

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29
N

Neko

Virtual browser that runs in docker and uses WebRTC

Launch
30
A

Angular DevTools

Angular DevTools extends Firefox DevTools adding Angular specific debugging and

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31
S

Speed Test by OpenSpeedTest™

HTML5 Network Performance Estimation Tool. (Source Code) MIT Docker

Launch
32
W

Wallos

Lightweight personal subscription tracker

Launch
33
G

Grav

Modern, Crazy Fast, Ridiculously Easy

Launch
34
S

Sandstorm

Personal server for running self-hosted apps easily and securely

Launch
35
C

Caprover

Scalable PaaS (automated Docker+nginx) - aka Heroku on Steroids

Launch
36
N

NGINX

HTTP and reverse proxy server, mail proxy server

Launch
37
N

Node Readiness Controller

Declarative node readiness for Kubernetes

Launch
38
B

bittorrent-tracker

Simple, robust, BitTorrent tracker (client and server) implementation

Launch
39
L

Lighthouse

Automated auditing, performance metrics, and best practices for the web

Launch
40
T

Termix

Clientless web-based server management platform

Launch
41
A

Authelia

The Single Sign-On Multi-Factor portal for web apps

Launch
42
M

Mail-in-a-Box

Turns any Ubuntu server into a fully functional mail server with one command

Launch
43
S

Stalwart Mail Server

All-in-one mail server with JMAP, IMAP4

Launch
44
A

Arduino IDE

The open-source Arduino Software

Launch
45
H

Harbor

Cloud native image registry that stores, signs, and scans content

Launch
46
H

Huly

All-in-One Alternative to Linear/Jira, Slack, Notion, Motion and more

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47
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imgproxy

Self-hosted solution for image processing needs

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48
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Qdrant

Vector Search Engine

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49
G

Gitea

Private, fast, reliable DevOps platform

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50
C

Cloudreve

File management and sharing system, supports multiple storage providers

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About MailMum

M

MailMum

The email blocklist you will be able to create and maintain yourself

IP blocklisting admins can trust. This blocklist is fundamentally different, because you will be able to create, maintain and control it yourself. It's all in your hands. We have been running this system for over 10 years as freelance admins and decided to make it a public product because it provides such valuable services for us. Fine grained Blocklisting.

View MailMumAll Developer Tools apps
Price
Paid
Category
Developer Tools
Website
mailmum.io