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Find the best open-source alternatives

Discover community-driven replacements for popular proprietary software.

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Popular products

Most searched proprietary tools with open-source replacements

Hoppscotch
Postman31 alts

An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.

TypeScript80.2k
Official examples
WordPress22 alts

An open-source, fullstack Next.js framework that provides a TypeScript backend and admin panel, usable as a headless CMS or for building applications.

TypeScript44.6k
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Evernote21 alts

A privacy-focused, open-source note-taking app with end-to-end encrypted sync across all major platforms.

TypeScript56.3k
stdlib
NumPy20 alts

A standard library for JavaScript and TypeScript with an emphasis on numerical and scientific computation.

JavaScript6.0k

Browse all

Showing 2,872 products with open-source alternatives

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wrk
Siege1 alts

A modern, multi-threaded HTTP benchmarking tool for generating significant load on web servers and APIs.

C40.4k
Pulse
Proxyman1 alts

A native SwiftUI logging framework for Apple platforms that records and inspects logs and URLSession network requests directly within your app.

Swift7.2k
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A Neovim plugin that integrates LLMs and AI agents for coding assistance, chat, and inline transformations.

Lua6.8k
coderwall (legacy)
LinkedIn1 alts

A professional network and community for software engineers to unlock and share new skills.

Ruby856
Scylla Imports Reconstructor
CHimpREC1 alts

A Windows tool for reconstructing import address tables (IAT) in x64/x86 executables, designed for reverse engineering and unpacking.

C++1.4k
ngx-smart-cropper
ngx-image-cropper1 alts

A lightweight Angular standalone component for uploading, cropping, and resizing images with intuitive drag-and-resize controls.

TypeScript10
Bistro
SQL1 alts

A column-oriented data processing engine that replaces joins and group-by with functional definitions for batch and stream analytics.

Java8
drill
Apache JMeter1 alts

A lightweight HTTP load testing tool written in Rust with an Ansible-inspired YAML syntax for defining benchmarks.

Rust2.3k
Bytebase
CloudBeaver1 alts

An open-source database DevOps tool providing CI/CD, SQL review, and security features for managing database schema changes.

Go14.4k
Ladon
AWS IAM1 alts

A Go library for fine-grained, policy-based access control inspired by AWS IAM, designed for microservices and IoT.

Go2.5k
pup
PM21 alts

A universal process manager built in Deno to keep scripts, applications, and services alive across platforms.

TypeScript195
JMapper
ModelMapper1 alts

A high-performance Java bean mapper offering elegance, robustness, and performance comparable to hand-written code.

Java245
barbecue.nvim
Visual Studio Code breadcrumbs1 alts

A VS Code inspired breadcrumbs plugin for Neovim that displays LSP context in the winbar.

Lua893
Godot-Trail-System
Unity3D Trail System1 alts

An advanced 2D/3D trail and ribbon plugin for the Godot Engine, offering Unity3D-like visual effects.

GDScript370
docker-vm
boot2docker1 alts

A simple and transparent Vagrant-based alternative to boot2docker for running Docker on Mac OS X and Windows.

Shell43
elm-boil
create-elm-app1 alts

A command-line utility to scaffold Elm projects with built-in SCSS support, environment variables, and live reload.

JavaScript20
Airbyte (k)
Matillion1 alts

Open-source data integration platform for building ELT pipelines from APIs, databases, and files to data warehouses, lakes, and lakehouses.

Python22.0k
HelloIoT
MQTT.fx1 alts

A Java-based MQTT dashboard application for publishing, subscribing, and creating custom IoT monitoring interfaces.

Java110
brimir
Zoho Desk1 alts

A simple, self-hosted email helpdesk system built with Ruby on Rails for handling customer support requests.

Ruby1.4k
Buck2
Bazel1 alts

A fast, hermetic, multi-language build system designed for large-scale projects and distributed compilation.

Rust4.4k
sunt
net-snmpd1 alts

A modern SNMP agent for Linux written in Rust, focused on essential monitoring data with improved performance.

Rust28
wuchale
Lingui1 alts

A compile-time i18n toolkit that requires zero code changes and produces the smallest possible bundles for React, Svelte, SolidJS, and Astro.

TypeScript399
Substation
Datadog Observability Pipelines1 alts

A serverless toolkit for routing, normalizing, and enriching security event and audit logs in AWS.

Go405
gitpitch
Deckset1 alts

A desktop tool for creating and presenting markdown-based slide decks for tech talks, training, and education.

Python5.5k
iFlow CLI
Gemini CLI1 alts

A terminal-based AI assistant that analyzes code, automates workflows, and executes tasks using natural language commands.

Shell5.1k
Fury
Apache Avro1 alts

A high-performance multi-language serialization framework using JIT compilation and zero-copy techniques for fast data exchange.

Java4.5k
Performance-Bookmarklet
WebPageTest1 alts

A bookmarklet and browser extension that analyzes web page performance using the Resource Timing, Navigation Timing, and User-Timing APIs.

JavaScript1.2k
fzshell
fig.io1 alts

A fuzzy command-line completer that generates custom completions from user-defined patterns and commands.

Go81
Flare
Caffe21 alts

A Clojure library for dynamic neural network graphs with pluggable tensor backends, inspired by PyTorch.

Clojure287
snmpclitools
Net-SNMP1 alts

A collection of pure-Python command-line SNMP tools compatible with Net-SNMP utilities.

Python61
Servy
NSSM1 alts

Run any executable as a native Windows service with automatic restarts, health checks, and real-time management.

C#2.0k
Banana
Kibana1 alts

A Kibana port for Apache Solr that provides rich dashboard and visualization capabilities for time-series and non-time-series data.

JavaScript673
WunderGraph Cosmo
Apollo Studio1 alts

An open-source platform for building, maintaining, and collaborating on GraphQL Federation at scale.

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Shell2.7k
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Cascalog1 alts

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Clojure2.1k
securecookie
Gorilla securecookie1 alts

A Go package for encoding and decoding secure cookies with encryption and authentication, offering high performance and zero heap allocations.

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