Alternatives to MailSlurp

GitHub

Where the world builds software

Vercel

Ship at the speed of thought

CodePen

Front-end playground

Replit

Build software, collaboratively

appsmith

Open-Source Low-Code Application Platform

Coolify

Self-hostable Heroku alternative

Directus

A versatile headless CMS and API engine

Dokploy

Open-source alternative to Heroku, Vercel, and Netlify

drawDB

Online Database Schema Design & ER Diagram Tool

Grafana Cloud

AI-Powered Full-Stack Observability

Hoppscotch

Lightweight, fast, and feature-rich API client for developers

Insomnia

The Collaborative API Development Platform

Joplin

Secure, Cross-platform, Open-Source Markdown Note Taking App

Meilisearch

Typo tolerant search engine

Minio

S3 compatible object storage

NocoDB

Instantly turn your Database into a No-Code Platform

Outline

Wiki and knowledge base

Payload CMS

A TypeScript headless CMS built with Express, MongoDB, and React

Pocketbase

Open Source backend in 1 file written in Go

PostHog

Analytics with autocapture, session recordings, feature flags, heatmaps and more

Sentry

Error tracking and performance monitoring

Spacedrive

Your data. Your devices. Your AI employees

Supabase

The Postgres Development Platform

ToolJet

AI App Builder for Internal Tools

Uptime Kuma

Monitors websites, APIs, and services

Wide

Run Go with full intellisense code-completion, expression-info

Activepieces

Chat, agents, flows, tables

Airbyte

Data integration platform

Apache Netbeans

Development Environment, Tooling Platform and Application Framework

Appwrite

Open-source development platform

Authentik

authentik is an open-source identity provider

Beekeeper Studio

The SQL Editor and Database Manager Of Your Dreams

Bruno

A modern, user-friendly API client

BudiBase

Agents, Workflows & Internal Tools Made Easy

Bytebase

The standard for database governance

ClickHouse

High-performance columnar OLAP database system

Coder

Enterprise AI Development Infrastructure & Governance

Convex

All gas, no breakages

Cube

The agentic analytics platform built on a semantic layer

DBeaver

Cross-platform database management tool

Documenso

Digital Signing Infrastructure

Dokku

An open source PAAS alternative to Heroku

Encore

Automated Infrastructure for Humans and Agents

Espanso

A Privacy-first, Cross-platform Text Expander

Filestash

A file manager that let you manage your data anywhere it is located

Gitea

A lightweight, fast, and customizable Git service

Gogs

Lightweight, cross-platform Git service for self-hosting

Harness

Streamline code delivery with an open-source CI/CD platform featuring Git

Huly

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

imgproxy

Self-hosted solution for image processing needs