OpenSourceProjects

Open Source Alternatives to Popular Software

Find free and open source replacements for the commercial tools you use every day. Browse 250 popular software categories.

Slack

28 open source alternatives

WordPress

27 open source alternatives

Microsoft Teams

24 open source alternatives

Notion

23 open source alternatives

Plex

23 open source alternatives

Discord

21 open source alternatives

Nextcloud

21 open source alternatives

Shopify

20 open source alternatives

Dropbox

19 open source alternatives

Microsoft Exchange

18 open source alternatives

Microsoft OneDrive

18 open source alternatives

Claude

18 open source alternatives

Datadog

17 open source alternatives

Zimbra

16 open source alternatives

Contentful

16 open source alternatives

Google Drive

16 open source alternatives

BigCommerce

15 open source alternatives

Ghost

15 open source alternatives

Discourse

15 open source alternatives

Magento

15 open source alternatives

Retool

14 open source alternatives

WooCommerce

14 open source alternatives

ChatGPT

14 open source alternatives

Evernote

14 open source alternatives

Box

14 open source alternatives

Google Analytics

13 open source alternatives

Salesforce

13 open source alternatives

Subsonic

13 open source alternatives

Zoom

13 open source alternatives

Zapier

13 open source alternatives

Metabase

12 open source alternatives

Pocket

12 open source alternatives

Sanity

12 open source alternatives

Twilio

12 open source alternatives

Emby

12 open source alternatives

HubSpot

11 open source alternatives

Jitsi Meet

11 open source alternatives

Mattermost

11 open source alternatives

SAP Commerce Cloud

11 open source alternatives

New Relic

11 open source alternatives

Strapi

10 open source alternatives

Make

10 open source alternatives

Google Meet

10 open source alternatives

Looker

9 open source alternatives

SendGrid

9 open source alternatives

Webflow

9 open source alternatives

ProtonMail

9 open source alternatives

Confluence

9 open source alternatives

Budibase

9 open source alternatives

Vanilla Forums

8 open source alternatives

Tableau

8 open source alternatives

Splunk

8 open source alternatives

Mailchimp

8 open source alternatives

Matomo

8 open source alternatives

Firebase

8 open source alternatives

Apache Superset

8 open source alternatives

Outlook

8 open source alternatives

Power BI

8 open source alternatives

Jenkins

8 open source alternatives

n8n

8 open source alternatives

Airsonic

8 open source alternatives

Plausible Analytics

7 open source alternatives

Feedly

7 open source alternatives

Airtable

7 open source alternatives

Raindrop.io

7 open source alternatives

Mastodon

7 open source alternatives

Rocket.Chat

7 open source alternatives

Kopano

7 open source alternatives

Amazon SES

7 open source alternatives

Appsmith

7 open source alternatives

Google Maps API

7 open source alternatives

Calendly

7 open source alternatives

Statamic

7 open source alternatives

Threads

7 open source alternatives

Inoreader

7 open source alternatives

Eventbrite

7 open source alternatives

Jellyfin

7 open source alternatives

Kaleidescape

7 open source alternatives

Copilot

7 open source alternatives

Gmail

7 open source alternatives

Cursor

6 open source alternatives

iRedMail

6 open source alternatives

HERE Technologies

6 open source alternatives

Postfix

6 open source alternatives

Obsidian

6 open source alternatives

Owncloud

6 open source alternatives

Flarum

6 open source alternatives

Datagrip

6 open source alternatives

Signal

6 open source alternatives

Squarespace

6 open source alternatives

Postman

6 open source alternatives

Drupal

6 open source alternatives

Wix

6 open source alternatives

PostHog

6 open source alternatives

OpenAI API

6 open source alternatives

Instapaper

6 open source alternatives

The Old Reader

6 open source alternatives

Mapbox Directions API

6 open source alternatives

Grafana Cloud

6 open source alternatives

Monday.com

6 open source alternatives

Thunderbird

6 open source alternatives

Zoho CRM

5 open source alternatives

Sonarr

5 open source alternatives

FreeSWITCH

5 open source alternatives

Facebook

5 open source alternatives

Trello

5 open source alternatives

Mailu

5 open source alternatives

Google Photos

5 open source alternatives

Perplexity

5 open source alternatives

pgAdmin

5 open source alternatives

Mighty Networks

5 open source alternatives

Seafile

5 open source alternatives

Skype

5 open source alternatives

Sitecore

5 open source alternatives

Medium

5 open source alternatives

Vercel

5 open source alternatives

Mixpanel

5 open source alternatives

Firebase Cloud Messaging

5 open source alternatives

Citadel

5 open source alternatives

Zendesk

5 open source alternatives

Navicat

5 open source alternatives

Ticket Tailor

5 open source alternatives

Asterisk

5 open source alternatives

Jira

5 open source alternatives

SmartThings

5 open source alternatives

Oracle NetSuite

5 open source alternatives

Microsoft OneNote

5 open source alternatives

NextDNS

5 open source alternatives

Fastmail

5 open source alternatives

Hubitat Elevation

5 open source alternatives

Intercom

5 open source alternatives

Strava

4 open source alternatives

Sendmail

4 open source alternatives

Hugo

4 open source alternatives

Twitter

4 open source alternatives

Deluge

4 open source alternatives

Navidrome

4 open source alternatives

GTXGaming

4 open source alternatives

Brevo

4 open source alternatives

Apple Calendar Server

4 open source alternatives

iLovePDF

4 open source alternatives

phpBB

4 open source alternatives

Hey

4 open source alternatives

Prefect

4 open source alternatives

Briar

4 open source alternatives

SQL Server Management Studio

4 open source alternatives

Openfire

4 open source alternatives

Radarr

4 open source alternatives

Customer.io

4 open source alternatives

GitHub Copilot

4 open source alternatives

Garmin Connect

4 open source alternatives

Dropbox Sign

4 open source alternatives

Adobe Acrobat

4 open source alternatives

Amplitude

4 open source alternatives

GameServers

4 open source alternatives

Elasticsearch

4 open source alternatives

Exim

4 open source alternatives

Docker

4 open source alternatives

DBeaver Enterprise

4 open source alternatives

Pi-hole

4 open source alternatives

SAP Business One

4 open source alternatives

Imgur

4 open source alternatives

AdGuard Home

4 open source alternatives

Pusher

4 open source alternatives

Heroku

4 open source alternatives

Charybdis

4 open source alternatives

DocuSign

4 open source alternatives

Spotify

4 open source alternatives

NotebookLM

4 open source alternatives

Apple Health

4 open source alternatives

Avaya Communication Manager

4 open source alternatives

Google Home

4 open source alternatives

Wire

4 open source alternatives

Home Assistant

4 open source alternatives

Caldav.cloud

4 open source alternatives

Nitrado

4 open source alternatives

Amazon Alexa

3 open source alternatives

Vroom

3 open source alternatives

DocuWare

3 open source alternatives

Volumio

3 open source alternatives

Adobe Sign

3 open source alternatives

Sequel Pro

3 open source alternatives

Workday

3 open source alternatives

Miro

3 open source alternatives

Together AI

3 open source alternatives

Dovecot

3 open source alternatives

Cyrus IMAP

3 open source alternatives

Prowlarr

3 open source alternatives

Ergo

3 open source alternatives

Botpress

3 open source alternatives

Temporal

3 open source alternatives

TrainingPeaks

3 open source alternatives

Splash

3 open source alternatives

InspIRCd

3 open source alternatives

Tito

3 open source alternatives

Multicraft

3 open source alternatives

Ticketmaster

3 open source alternatives

Lucidchart

3 open source alternatives

CouchPotato

3 open source alternatives

Acuity Scheduling

3 open source alternatives

Square Appointments

3 open source alternatives

Heap

3 open source alternatives

Ampache

3 open source alternatives

ArcGIS Online

3 open source alternatives

Segment

3 open source alternatives

BitTorrent

3 open source alternatives

Transmission

3 open source alternatives

Weights & Biases

3 open source alternatives

Microsoft Dynamics 365

3 open source alternatives

uTorrent

3 open source alternatives

Klaviyo

3 open source alternatives

Pipedrive

3 open source alternatives

Blur

3 open source alternatives

DynamoDB

3 open source alternatives

Apple HomeKit

3 open source alternatives

Supabase

3 open source alternatives

OneSignal

3 open source alternatives

Mapbox

3 open source alternatives

Genesys Cloud

3 open source alternatives

Microsoft Dynamics 365 Business Central

3 open source alternatives

Tresorit

3 open source alternatives

Whereby

3 open source alternatives

Drift

3 open source alternatives

OpenAI ChatGPT Plus

3 open source alternatives

Typo3

3 open source alternatives

Element

3 open source alternatives

Jekyll

3 open source alternatives

Invision Community

3 open source alternatives

Sync.com

3 open source alternatives

Vera Control

3 open source alternatives

Utterances

3 open source alternatives

Samsung Health

3 open source alternatives

Forest Admin

3 open source alternatives

SAP SuccessFactors

3 open source alternatives

ShareX

3 open source alternatives

TripIt

3 open source alternatives

Fitbit App

3 open source alternatives

PDFtk

3 open source alternatives

Airflow

3 open source alternatives

Synology

3 open source alternatives

Ubooquity

3 open source alternatives

Commento

3 open source alternatives

Workato

3 open source alternatives

Photoshop

3 open source alternatives

Roam Research

3 open source alternatives

Libera.Chat IRCd

3 open source alternatives

UnrealIRCd

3 open source alternatives

Firefox Relay

3 open source alternatives

Substack

3 open source alternatives

EGroupware

3 open source alternatives