Open Source alternatives to tools you Pay for
Tags: opensource, directory, development, programming
Published: 2023-12-09 01:20:03

> Hi, I'm John, Multi Startup Builder.
> I enjoy both coding and marketing.
> See all my 20 products here
> → [johnrush.me](https://johnrush.me/)
> → [my BIO ](https://twitter.com/johnrushx/bio)
> → [Say Hi to me On Twitter](https://twitter.com/johnrushx)
> → [Try my website builder](https://unicornplatform.com/)


**Open Source Eats the Software**

I created [osssoftware.org](http://osssoftware.org) with a focus on:
- Winners of PH
- Best dev tools on DevHunt
- Recently active on GitHub
- Most internet backlinks
- Most mentions as "alternative to ..."

👇 **301 Open Source [Alternatives](http://osssoftware.org/open-source-alternatives/):**

## [Supabase](http://supabase.com) - Open Source Alternative to Firebase
Explore the feature-rich, open source alternative to Firebase that provides real-time updates and authentication features.

## [Documenso](http://documenso.com) - Open Source Alternative to Docusign
Discover an innovative tool for managing digital signatures with same ease as using Docusign but without the high costs.

## [Cal](http://cal.com) - Alternative to Calendly
Simplify your scheduling with this flexible, user-friendly alternative to Calendly. 

## [Plausible](http://plausible.io) - Open Source Alternative to Google Analytics
Take control of your data analytics with Plausible – a privacy-centered, open-source platform designed as an alternative for Google Analytics.

## [DevHunt](http://devhunt.org) - Open Source Alternative to ProductHunt 
Find unique tech products or showcase yours on DevHunt, an exciting open-source platform similar in function but not limited like ProductHunt.

## [AI.Meta](http://ai.meta.com/llama) - Open Source Alternative to ChatGPT  
Improve communication with machine learning-based AI Meta chat software that’s easy-to-use and emulates human-like conversations just like Chat GPT but it's free!

## [Papermark](http://papermark.io) - Open Source Alternative	to Docsend 
Share sensitive documents securely online through Papermark- comparable performance at lower cost than Docsend.  

## [Godot Engine](http://godotengine.org) - Open Source Alternative to Unity3D
Develop professional-grade games without the price tag with Godot Engine, a completely free and open-source game development tool.

## [Ghost](http://ghost.org) - Open Source Alternative to Medium
Publish your thoughts or start an online publication with Ghost, a powerful yet user-friendly platform that rivals Medium.
  
## [Mastodon](http://joinmastodon.org) - Open Source Alternative to Twitter
Join the federated social network Mastodon for a more crowd-controlled and less corporate-dominated experience than Twitter. 

## [Rowy](http://rowy.io) - Open Source Alternative to Airtable 
Manage databases as effectively as Airtable but at lesser costs using Rowy- equally efficient but cheaper!

## [Sentry](http://sentry.io) - Open Source Solution For Error Tracking
Monitor errors in real-time across all stages of app development with Sentry's robust code health tracking solution.

## [N8N](http://n8n.io) - Open Source Alternative to Zapier 
Frustrated about expensive automation tools? Meet N8N – The perfect sophisticated yet budget-friendly alternative for Zapier. 

## [Appsmith](http://appsmith.com) - Open Source Alternative to Retool 
Becoming faster at designing internal tools is possible now! Check out AppSmith today, which builds just like Retool but is entirely open source.

## [ClickHouse](http://clickhouse.com) - Open Source Alternative to BigQuery
Manage real-time and high volume data with ClickHouse, a cost-effective yet powerful solution as compared to BigQuery.

## [GitLab](http://gitlab.com) - Open Source Alternative to GitHub 
While maintaining the same collaboration features like version controlling and source code management GitLab provides more visibility, flexibility and scalability than Github. 

## [Penpot](http://penpot.app) - Open Source Alternative to Figma 
Try Penpot for collaborative UI design – all the features you love about Figma but in an open-source platform.

## [Jenkins](http://jenkins.io) - Open Source Option For DevOps 
Minimize your development downtime using Jenkins; its continuous integration offering makes it a worthy open-source alternative for DevOps tools.

## [Forem](http://forem.com) - Open Source Alternative to Circle
Join thriving communities or create your own on Forem much similar space like Circle but without any restrictions over customizations

## [PostHog](http://posthog.com) - Open Source Alternative to Mixpanel  
Your search for an analytics tool that respects user privacy ends here: Meet PostHog, an open-source counterpart of Mixpanel.

## [Dub](http://dub.co) - Open Source Alternative to Bitly
Looking for a URL shortener that's fully customizable? Check out Dub, the open-source alternative to Bitly.

## [OpenCart](http://opencart.com) - Open Source Alternative to Shopify 
Create your e-commerce store with ease using the open source platform of Opencart. Member of online community support equaling Shopify with less cost!

## [Typesense](http://typesense.org) - Open Source Alternative to Algolia 
Revolutionize search on your site with Typesense – a simpler and more transparent option as compared to Algolia.

## [AppFlowy](http://appflowy.io) - Open Source Alternative to Notion  
Maintain notes, manage tasks, and organize work without any intrusion using AppFlowy; indeed an intuitive opensource replacement for Notion.

## [Webstudio](http://webstudio.is) - Open Source Alternative to Webflow  
Design website freely at no cost by opting WebStudio- absolute comparable features with Webflow but far-out cheaper!

## [Typebot](http://typebot.io) - Open Source Alternative to Typeform
Want flexibility in creating surveys or forms? Try Typebot: As simple as typeform but offers strong privacy control!

##[Passbolt ](https://www.passbolt.com/)  an free open-source password manager that allows teams maintain passwords securely!
 
 ## [@shadcn] (https:///www.shadсn.com/) A robust UI toolkit offering just what you get from Tailwind UI without the overhead costs!

## [Rocket.Chat](http://rocket.chat) - Open Source Alternative to Slack
Explore Rocket.Chat, an advanced team communication platform that serves as a cost-effective and equally competent option compared to Slack.

## [GIMP](http://gimp.org) - Open Source Alternative to Adobe Photoshop 
Get rid of expensive graphic tools with GIMP- an excellent open source graphic editing tool with features matching up with Photoshop. 

## [Akaunting](https://akaunting.com/) - Open Source Alternative To QuickBooks 
Effortlessly manage your business finances using Akaunting, a free accounting software providing nearly the same offerings as Quickbooks without the associated costs. 

## [Mautic ](https://www.mautic.org/)-Open Source Alternative To Hubspot.
Personalize your brand experience and automate marketing processes just like you do on Hubspot but at zero cost by utilizing Mautic!

##  [Odoo] (https://www.odoo.com): The ultimate all-in-one management software much like SAP ERP but only better since it's opensource!
  
 ##  [Open Project ](https://www.openproject.org/): Manage projects effectively for FREE! Here is your best project management solution that does everything Microsoft project can offer.

**See More:**
- [All Open Source Alternatives](http://osssoftware.org/open-source-alternatives/)
- [Categories](http://osssoftware.org)

**Contribute:**
If you have a great tool you think should be added, submit it on the site or send me a DM on twitter [@johnrushx](https://twitter.com/johnrushx)

Check out my newsletter -> [100xfounder.beehiiv.com](https://100xfounder.beehiiv.com/)