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Open Source Business Software

A curated collection of the best open source software that runs a business day to day, covering CRM and sales, finance and accounting, HR, legal, project management, e-commerce, and customer support.

See also:EducationMarketing & Customer EngagementCustomer Support & SuccessProject & Work ManagementDocument Management & E-SignaturesCompliance & Risk ManagementForms & SurveysLegalE-commerce PlatformsCollaboration & CommunicationScheduling & Event ManagementHuman Resources (HR)Finance & AccountingCRM & SalesERP & Operations
Favicon of Wraft

Wraft

Scale document creation with automated workflows

  • Stars

    168

  • Last commit

    16 days ago

  • License

    AGPL-3.0
Complete document lifecycle management with automated generation, approval workflows, e-signatures, and branded templates. Create professional documents at scale.

Open Source Alternative to:

Favicon of DocuSign
DocuSign
Favicon of OpenPolicy

OpenPolicy

Generate legal policies directly from TypeScript code

  • Stars

    165

  • Last commit

    1 month ago

  • License

    Apache-2.0
Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.

Open Source Alternative to:

Favicon of iubenda
iubenda
Favicon of Twake Chat

Twake Chat

Secure open source messaging for professional teams

  • Stars

    171

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.

Open Source Alternative to:

Favicon of Microsoft Teams
Microsoft Teams
Favicon of Orgnise

Orgnise

Effortlessly manage tasks, projects, and teams

  • Stars

    247

  • Last commit

    1 year ago

  • License

    AGPL-3.0
A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of SAMA

SAMA

Secure, scalable chat server for modern applications

  • Stars

    161

  • Last commit

    14 days ago

  • License

    GPL-3.0
Open source chat server with end-to-end encryption, clustering support, and comprehensive messaging features for building real-time communication apps

Open Source Alternative to:

Favicon of Discord
Discord
Favicon of Formizee

Formizee

Create and manage forms with ease

  • Stars

    185

  • Last commit

    1 year ago

  • License

    Apache-2.0
Formizee is an open-source platform for designing, building, and analyzing forms, offering an affordable all-in-one solution

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of UserTourKit

UserTourKit

Lightweight, accessible product tours built for React developers

  • Stars

    69

  • Last commit

    17 days ago

  • License

    MIT
Headless React tour library with WCAG 2.1 AA accessibility, TypeScript support, and pre-styled components. Under 8KB gzipped with full customization control.

Open Source Alternative to:

Favicon of Userflow
Userflow
Favicon of Slugy

Slugy

Transform long URLs into beautiful, trackable short links

  • Stars

    94

  • Last commit

    7 days ago

  • License

    MIT
Open-source URL shortener with analytics, custom domains, QR codes, and link-in-bio pages. Create branded short links with detailed tracking insights.

Open Source Alternative to:

Favicon of TinyURL
TinyURL
Favicon of Warpdrive

Warpdrive

Self-hosted CRM for business development teams

  • Stars

    76

  • Last commit

    17 days ago

  • License

    MIT
Pipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of Wraps

Wraps

Code-first email platform that deploys to your AWS

  • Stars

    64

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of Brace.to

Brace.to

Securely save and access your favorite links across devices

  • Stars

    107

  • Last commit

    6 months ago

  • License

    MIT
A privacy-focused bookmark manager that encrypts your saved links, allowing you to access them anytime, anywhere, on any device with complete control.

Open Source Alternative to:

Favicon of Pocket
Pocket
Favicon of BugPin

BugPin

Self-hosted visual bug reporting with screenshot annotation

  • Stars

    45

  • Last commit

    11 days ago

  • License

    AGPL-3.0
Embeds a lightweight widget into web apps so users can capture screenshots, annotate issues, and submit reports with console logs and browser metadata included.

Open Source Alternative to:

Favicon of Markup
Markup
Favicon of Manage

Manage

Open-source project management inspired by Basecamp

  • Stars

    71

  • Last commit

    2 months ago

  • License

    AGPL-3.0
A self-hosted project management tool offering task management, file sharing, event tracking, and team collaboration features in an intuitive interface.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Malak

Malak

Streamline investor relations and fundraising management

  • Stars

    61

  • Last commit

    8 months ago

  • License

    AGPL-3.0
Open source platform for managing investor updates, KPIs, fundraising pipeline and data rooms. Keep stakeholders informed and organized.

Open Source Alternative to:

Favicon of Carta
Carta
Favicon of Palform

Palform

Secure, encrypted forms with advanced features

  • Stars

    48

  • Last commit

    13 days ago

  • License

    AGPL-3.0
Build end-to-end encrypted forms with enterprise-grade features, no coding required. Protect sensitive data and enhance user trust.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of Reflet

Reflet

Turn user feedback into features that matter

  • Stars

    40

  • Last commit

    1 day ago

  • License

    SSPL-1.0
Collect feedback, prioritize with AI-powered voting, and share transparent roadmaps. Build products users love with automated triage and seamless integration.

Open Source Alternative to:

Favicon of Featurebase
Featurebase
Favicon of Chobble Tickets

Chobble Tickets

Event ticketing with no per-ticket platform fees

  • Stars

    35

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Sell tickets for £50/year with payments, QR check-in, refunds, reporting, and a hosted booking site. Self-hostable under AGPL-3.0.

Open Source Alternative to:

Favicon of Eventbrite
Eventbrite
Favicon of Hyvor Post

Hyvor Post

Privacy-first newsletter platform without tracking

  • Stars

    33

  • Last commit

    9 days ago

  • License

    AGPL-3.0
Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.

Open Source Alternative to:

Favicon of Mailchimp
Mailchimp
Favicon of Sayr

Sayr

Bridge internal workflows with public collaboration

  • Stars

    30

  • Last commit

    8 hours ago

  • License

    Unknown
Source-available project management platform with dual views - internal team workspace and public portal for user feedback, voting, and progress tracking.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Mimrai

Mimrai

AI-powered task management with radical focus

  • Stars

    25

  • Last commit

    7 months ago

  • License

    AGPL-3.0
Open source minimalist task management tool with AI companion that filters noise, automates coordination, and guides teams through complexity with calm focus.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Tiledesk

Tiledesk

AI
No-code platform to build AI agents and automate support

  • Stars

    15

  • Last commit

    3 days ago

  • License

    MIT
Build AI chatbots, automate customer support workflows, and connect live agents across web, WhatsApp, email, and voice with a no-code visual designer.

Open Source Alternative to:

Favicon of Intercom
Intercom
Favicon of Suprascribe

Suprascribe

Automatically discover hidden subscriptions from your inbox

  • Stars

    11

  • Last commit

    5 days ago

  • License

    AGPL-3.0
Free subscription tracker that automatically scans your email to find recurring charges. Privacy-focused discovery with complete spending overview and management tools.

Open Source Alternative to:

Favicon of Rocket Money
Rocket Money
Favicon of Reqcore

Reqcore

AI
Own your hiring data with unlimited seats forever

  • Stars

    0

  • Last commit

    2 months ago

  • License

    AGPL-3.0
Self-hosted open-source ATS with no per-seat pricing. Full data ownership, modern tech stack, and complete control over your recruitment process.

Open Source Alternative to:

Favicon of Breezy HR
Breezy HR
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