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Open Source Alternatives to Popular Software

Over 1 million users replaced their proprietary tools with open source software. Discover the best alternatives and join the movement.

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Favicon of Vvveb CMS

Vvveb CMS

Open source CMS with powerful drag-and-drop builder

  • Stars

    1,198

  • Last commit

    2 months ago

  • License

    AGPL-3.0
Vvveb is a feature-rich open source CMS for building websites, blogs, and ecommerce stores with an intuitive drag-and-drop interface.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Flow

Flow

Fast, secure browsing with powerful organization features

  • Stars

    1,078

  • Last commit

    4 months ago

  • License

    GPL-3.0
A modern browser combining minimalist design with smart features like profiles, spaces, and command palette. Full Chrome extension support and privacy-focused browsing.

Open Source Alternative to:

Favicon of Firefox
Firefox
Favicon of ProcessWire

ProcessWire

Flexible CMS for developers, powerful for clients

  • Stars

    1,153

  • Last commit

    2 days ago

  • License

    Unknown
A versatile, open-source content management system with a powerful API, modular architecture, and intuitive interface for seamless web development.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Temps

Temps

One self-hosted binary replaces Vercel, Sentry, and analytics tools

  • Stars

    804

  • Last commit

    9 hours ago

  • License

    Apache-2.0
Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

Open Source Alternative to:

Favicon of Vercel
Vercel
Favicon of Readeck

Readeck

Save, organize and revisit web content effortlessly

  • Stars

    1,126

  • Last commit

    4 days ago

  • License

    Unknown
Personal content hub for saving articles, videos, and images. Features highlighting, transcripts, e-book export, and smart organization tools.

Open Source Alternative to:

Favicon of Pocket
Pocket
Favicon of Pluton

Pluton

Self-hosted encrypted backups with 70+ cloud storage options

  • Stars

    839

  • Last commit

    20 days ago

  • License

    Apache-2.0
Free, open-source backup solution with end-to-end encryption. Self-hosted control, supports 70+ cloud providers, automated incremental backups, and zero vendor lock-in.

Open Source Alternative to:

Favicon of Veeam
Veeam
Favicon of ByteChef

ByteChef

AI
Build AI agents and automate complex workflows seamlessly

  • Stars

    1,006

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Create intelligent automation workflows combining AI agents with your favorite apps and services. Connect, automate, and scale your operations without complex coding.

Open Source Alternative to:

Favicon of n8n
n8n
Favicon of Hyvor Relay

Hyvor Relay

Open-source email API with enterprise deliverability

  • Stars

    906

  • Last commit

    4 days ago

  • License

    AGPL-3.0
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Taiga

Taiga

Agile project management for cross-functional teams

  • Stars

    854

  • Last commit

    9 hours ago

  • License

    MPL-2.0
Self-hostable agile project management tool with Kanban and Scrum boards, sprint planning, issue tracking, and reporting for teams of any size.

Open Source Alternative to:

Favicon of Jira
Jira
Favicon of TryPost

TryPost

Schedule posts to every major social network, self-hosted

  • Stars

    658

  • Last commit

    9 hours ago

  • License

    AGPL-3.0
Plan, schedule, and auto-publish social media content across 10+ networks with a visual calendar, AI captions, team approvals, and self-hosting support.

Open Source Alternative to:

Favicon of Buffer
Buffer
Favicon of Freeter

Freeter

Your personal workspace organizer for maximum productivity

  • Stars

    1,024

  • Last commit

    4 months ago

  • License

    GPL-3.0
Organize projects, tasks, and resources in customizable workspaces. Boost productivity with a unified interface for all your work.

Open Source Alternative to:

Favicon of Monday
Monday
Favicon of Phase

Phase

Secure, deploy, and manage application secrets effortlessly

  • Stars

    925

  • Last commit

    17 hours ago

  • License

    MIT
Open source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.

Open Source Alternative to:

Favicon of LastPass
LastPass
Favicon of AgentOS

AgentOS

AI
TypeScript framework for building autonomous AI agents

  • Stars

    673

  • Last commit

    1 day ago

  • License

    Apache-2.0
Open-source TypeScript runtime for autonomous AI agents with cognitive memory, multi-agent orchestration, runtime tool generation, and support for 21 LLM providers.
Favicon of VoiceTypr

VoiceTypr

AI
Offline voice dictation that types into any app

  • Stars

    723

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Dictate into any app on Mac or Windows using on-device AI models. One-time purchase, 99+ languages, no subscription required.

Open Source Alternative to:

Favicon of Wispr Flow
Wispr Flow
Favicon of Keyshade

Keyshade

Secure secret management with public key encryption

  • Stars

    772

  • Last commit

    6 months ago

  • License

    MPL-2.0
Secure secret management platform with public key encryption, automated rotation, versioning, and real-time collaboration tools for development teams.

Open Source Alternative to:

Favicon of Keeper
Keeper
Favicon of Linky

Linky

A delightfully rich and dynamic link-in-bio.

  • Stars

    799

  • Last commit

    17 hours ago

  • License

    MIT
Build a dynamic link-in-bio page with a drag-and-drop editor. Integrate platforms to showcase live content and connect with your audience.

Open Source Alternative to:

Favicon of LinkTree
LinkTree
Favicon of Linguist

Linguist

Privacy-focused translation with offline capabilities

  • Stars

    1,063

  • Last commit

    20 days ago

  • License

    BSD-3-Clause
Full-featured browser extension for translating web pages, text, and subtitles with offline mode, personal dictionary, and custom translator support.

Open Source Alternative to:

Favicon of Google Translate
Google Translate
Favicon of Twake Drive

Twake Drive

Secure open source file storage with end-to-end encryption

  • Stars

    986

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.

Open Source Alternative to:

Favicon of Google Drive
Google Drive
Favicon of Jarvis

Jarvis

AI
Dictate faster and control your Mac with voice

  • Stars

    640

  • Last commit

    6 days ago

  • License

    MIT
Free, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training required.

Open Source Alternative to:

Favicon of Wispr Flow
Wispr Flow
Favicon of DoubleZero

DoubleZero

Self-hosted email infrastructure for developers

  • Stars

    1,244

  • Last commit

    2 years ago

  • License

    AGPL-3.0
00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Bacalhau

Bacalhau

Revolutionizing data processing with Compute Over Data

  • Stars

    872

  • Last commit

    2 days ago

  • License

    Apache-2.0
Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Favicon of LostPixel

LostPixel

Visual regression testing made effortless

  • Stars

    1,682

  • Last commit

    5 months ago

  • License

    MIT
Automated visual testing tool that detects UI changes, ensures consistency, and accelerates development workflows.

Open Source Alternative to:

Favicon of Chromatic
Chromatic
Favicon of Frontman

Frontman

AI
AI coding agent that sees your live app and edits code

  • Stars

    707

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.

Open Source Alternative to:

Favicon of Lovable
Lovable
Favicon of OpenPanel

OpenPanel

Simplify server management with an intuitive interface

  • Stars

    748

  • Last commit

    11 hours ago

  • License

    MIT
A user-friendly, open-source control panel for effortless server administration, designed for both beginners and experts.

Open Source Alternative to:

Favicon of cPanel
cPanel
Favicon of Cossistant

Cossistant

AI
AI-native support infrastructure for modern SaaS

  • Stars

    726

  • Last commit

    11 days ago

  • License

    AGPL-3.0
Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Open Source Alternative to:

Favicon of LiveChat
LiveChat
Favicon of Kanba

Kanba

Beautiful Kanban boards with seamless payment integration

  • Stars

    657

  • Last commit

    2 months ago

  • License

    MIT
Organize projects with intuitive Kanban boards, powered by Supabase backend and Stripe payment processing for complete project management workflow.

Open Source Alternative to:

Favicon of Jira
Jira
Favicon of Featurevisor

Featurevisor

Feature management with GitOps for developers

  • Stars

    810

  • Last commit

    20 days ago

  • License

    MIT
Featurevisor is an open-source tool for managing feature flags, experiments, and remote configuration directly from your Git repository.

Open Source Alternative to:

Favicon of LaunchDarkly
LaunchDarkly
Favicon of Snapify

Snapify

Self-hosted screen recording for seamless collaboration

  • Stars

    1,019

  • Last commit

    2 years ago

  • License

    AGPL-3.0
Effortlessly create, share, and collaborate with screen recordings. Control your data with self-hosting or our secure cloud option.

Open Source Alternative to:

Favicon of Loom
Loom
Favicon of WireGuard

WireGuard

Fast, minimal VPN built on modern cryptography

  • Stars

    721

  • Last commit

    5 months ago

  • License

    GPL-2.0
VPN protocol that runs inside the Linux kernel, using public-key cryptography to create encrypted tunnels across UDP with minimal configuration.

Open Source Alternative to:

Favicon of Zerotier
Zerotier
Favicon of OpenComputer

OpenComputer

AI
Persistent cloud VMs that hibernate and wake in seconds

  • Stars

    554

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.

Open Source Alternative to:

Favicon of Daytona
Daytona
Favicon of Structr

Structr

Build complete web apps with integrated graph database

  • Stars

    830

  • Last commit

    19 days ago

  • License

    Unknown
Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environment.
Favicon of Contentport

Contentport

Your content engine for growing on Twitter at scale

  • Stars

    765

  • Last commit

    10 months ago

  • License

    AGPL-3.0
Create, schedule & manage Twitter content at scale with AI assistance, beautiful visuals, and multi-account support. Perfect for busy founders.

Open Source Alternative to:

Favicon of Post Bridge
Post Bridge
Favicon of Ycode

Ycode

Visual website builder and CMS you can self-host

  • Stars

    315

  • Last commit

    12 hours ago

  • License

    MIT
Build, manage, and host custom websites with a visual drag-and-drop builder and CMS. Self-host free or use managed cloud hosting.

Open Source Alternative to:

Favicon of Framer
Framer
Favicon of Statusnook

Statusnook

Monitor, manage, and communicate service status effortlessly

  • Stars

    985

  • Last commit

    2 years ago

  • License

    MIT
A powerful open-source status page system for real-time incident tracking, maintenance updates, and transparent communication with users.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Marble

Marble

Real-time fraud detection and AML compliance engine

  • Stars

    605

  • Last commit

    8 days ago

  • License

    Elastic-2.0
An open-source platform that enables fintech companies to monitor transactions and user activity, detect suspicious behaviors, and automate fraud prevention in real-time.

Open Source Alternative to:

Favicon of Seon
Seon
Favicon of Tonkatsu Box

Tonkatsu Box

Track games, movies, anime, manga, and books in one place

  • Stars

    557

  • Last commit

    8 hours ago

  • License

    MIT
Cross-platform collection manager for retro games, movies, TV shows, anime, manga, visual novels, and books with tier lists, visual boards, and import/export.

Open Source Alternative to:

Favicon of TV Time
TV Time
Favicon of Monetr

Monetr

Take control of your finances, paycheck by paycheck

  • Stars

    685

  • Last commit

    6 hours ago

  • License

    FSL-1.1-MIT
Manage your money confidently with monetr, putting aside what you need and spending what you want

Open Source Alternative to:

Favicon of Splitwise
Splitwise
Favicon of Alarik

Alarik

S3-compatible object storage built with Swift

  • Stars

    551

  • Last commit

    9 days ago

  • License

    Apache-2.0
Self-hostable, Apache 2.0-licensed object storage with S3 compatibility, a built-in web console, and horizontal scaling from single node to sharded cluster.

Open Source Alternative to:

Favicon of Amazon S3
Amazon S3
Favicon of PearPass

PearPass

Complete password control, zero cloud dependency

  • Stars

    536

  • Last commit

    2 months ago

  • License

    Apache-2.0
Open-source password manager with peer-to-peer syncing, local storage, and end-to-end encryption. No cloud servers, complete privacy control across devices.

Open Source Alternative to:

Favicon of LastPass
LastPass
Favicon of Giselle

Giselle

AI
Build and deploy AI agents through visual workflows

  • Stars

    554

  • Last commit

    28 days ago

  • License

    Apache-2.0
Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development workflows.
Favicon of Twake Mail

Twake Mail

Secure open source email with advanced encryption & AI

  • Stars

    656

  • Last commit

    14 hours ago

  • License

    AGPL-3.0
Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.

Open Source Alternative to:

Favicon of Gmail
Gmail
Favicon of Ever Teams

Ever Teams

Real-time work and project management platform

  • Stars

    588

  • Last commit

    18 hours ago

  • License

    AGPL-3.0
Ever Teams offers an all-in-one solution for work management, time tracking, and team collaboration with integrations for popular tools.

Open Source Alternative to:

Favicon of Linear
Linear
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