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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:CRM & SalesERP & OperationsHuman Resources (HR)Marketing & Customer EngagementCustomer Support & SuccessE-commerce PlatformsCollaboration & CommunicationScheduling & Event ManagementDocument Management & E-SignaturesForms & SurveysCompliance & Risk ManagementLegalFinance & AccountingProject & Work Management
Favicon of UserTourKit

UserTourKit

Lightweight, accessible product tours built for React developers

  • Stars

    61

  • Last commit

    2 months 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 Warpdrive

Warpdrive

Self-hosted CRM for business development teams

  • Stars

    73

  • Last commit

    1 day 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 Brace.to

Brace.to

Securely save and access your favorite links across devices

  • Stars

    105

  • Last commit

    4 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 Wraps

Wraps

Code-first email platform that deploys to your AWS

  • Stars

    56

  • Last commit

    21 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 Manage

Manage

Open-source project management inspired by Basecamp

  • Stars

    68

  • Last commit

    12 days 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

    6 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

    45

  • 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 Chobble Tickets

Chobble Tickets

Open source ticketing with no per-ticket fees

  • Stars

    31

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
Event ticketing platform with flat £50/year fee, no commission or booking charges. Open source, encrypted, self-hostable with unlimited events and tickets.

Open Source Alternative to:

Favicon of Eventbrite
Eventbrite
Favicon of Reflet

Reflet

Turn user feedback into features that matter

  • Stars

    33

  • Last commit

    9 days 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 Reqcore

Reqcore

AI
Own your hiring data with unlimited seats forever

  • Stars

    16

  • Last commit

    3 days 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 Workable
Workable
Favicon of Hyvor Post

Hyvor Post

Privacy-first newsletter platform without tracking

  • Stars

    31

  • Last commit

    2 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 Resend
Resend
Favicon of Mimrai

Mimrai

AI-powered task management with radical focus

  • Stars

    26

  • Last commit

    5 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 Sayr

Sayr

Bridge internal workflows with public collaboration

  • Stars

    20

  • Last commit

    9 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 Tiledesk

Tiledesk

AI
Elevate customer support with AI-powered chat solutions

  • Stars

    14

  • Last commit

    3 days ago

  • License

    MIT
AI-enhanced live chat platform for seamless customer engagement, featuring chatbots, multichannel support, and advanced analytics.

Open Source Alternative to:

Favicon of Manychat
Manychat
Favicon of Suprascribe

Suprascribe

Automatically discover hidden subscriptions from your inbox

  • Stars

    10

  • Last commit

    3 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
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