Best Open Source Business & Productivity Tools in 2026

Stirling PDF

Business & Productivity Security & Monitoring Web & App Development+1

Self-hosted PDF editor with 50+ tools for every PDF task

stars 77.9Klicense NOASSERTIONlang TypeScript

Self Hosted Developer Tools Workflow Automation+4

Bagisto

Web & App Development Product & Project Management Business & Productivity

Laravel eCommerce with headless API and no transaction fees

stars 26.6Klicense MITlang PHP

Marketplace Developer Framework API Development Tools+6

LibreSign

Security & Monitoring Business & Productivity

Open source e-signature platform for PDF signing and forms

stars 757license AGPL-3.0lang PHP

Security Authentication Authorization+4

Okular

Business & Productivity

Multi-platform document viewer supporting PDF, EPUB, and more

stars 1.3Klang C++

Knowledge Management Documentation File Sharing+1

LibreOffice

Business & Productivity

Free office suite with Writer, Calc, and Impress on any platform

stars 3.9Klicense GPL-3.0lang C++

Documentation File Sharing File Sync & Storage+1

DocuSeal

Web & App Development Business & Productivity Finance & Fintech

Open source document signing and fillable PDF forms

stars 11.8Klicense AGPL-3.0lang Ruby

Developer Tools API Development Tools Workflow Automation+12

Spacedrive

Business & Productivity

Unified file explorer that spans your devices and cloud drives

stars 37.9Klicense NOASSERTIONlang Rust

File Sync & Storage File Sharing Knowledge Management+3

LimeSurvey

Business & Productivity Data & Analytics Marketing & Growth

Open source survey platform for complex questionnaires

stars 3.6Klicense NOASSERTIONlang JavaScript

Data Visualization User Feedback Management Customer Support+2

PouchDB

Web & App Development Data & Analytics Business & Productivity

JavaScript database that syncs with CouchDB, works offline

stars 17.6Klicense Apache-2.0lang JavaScript

Database Developer Tools API Development Tools+1

21st.dev

Web & App Development AI & Machine Learning Design & Creative+1

Browse and install production-ready shadcn/ui components via CLI

stars 1.9Klicense MITlang TypeScript

UI/UX Design Developer Tools AI Coding Assistant+3

UVdesk

Customer Support Business & Productivity Web & App Development

Helpdesk and ticketing on PHP/Symfony with workflow automation

stars 18.5Klicense OSL-3.0lang CSS

Customer Support Knowledge Base Workflow Automation+7

Temporal

Web & App Development AI & Machine Learning Business & Productivity+2

Durable workflow orchestration for reliable, long-running apps

stars 19.9Klicense MITlang Go

Workflow Orchestration Developer Framework Developer Tools+14

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Stirling PDF

Bagisto

LibreSign

Okular

LibreOffice

DocuSeal

Spacedrive

LimeSurvey

PouchDB

21st.dev

UVdesk

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Stirling PDF

Bagisto

LibreSign

Okular

LibreOffice

DocuSeal

Spacedrive

LimeSurvey

PouchDB

21st.dev

UVdesk

Temporal