Mattermost

MESSAGING

Replaces: Slack, Microsoft Teams, Discord

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. Slack alternative with self-hosting.

Twenty

CRM

Replaces: Salesforce, HubSpot, Pipedrive

Building a modern alternative to Salesforce, powered by the community. Open-source CRM with a beautiful UI and full customization.

n8n

AUTOMATION

Replaces: Zapier, Make

Fair-code workflow automation platform with native AI capabilities. Visual building, 400+ integrations, self-host or cloud.

Outline

DOCS

Replaces: Notion, Confluence, GitBook

A fast, collaborative wiki and knowledge base for teams. Beautiful editor with real-time collaboration.

Plausible Analytics

ANALYTICS

Replaces: Google Analytics

Simple, privacy-friendly web analytics. Lightweight alternative to Google Analytics with no cookies and GDPR compliant.

Plane

PROJECT MANAGEMENT

Replaces: Jira, Linear, ClickUp

Modern, open-source project management tool with issues, cycles, and roadmaps. Alternative to Jira, Linear, and ClickUp.

Authentik

AUTH

Replaces: Okta, Auth0

Flexible identity provider with SSO, LDAP, and OAuth. Self-hosted alternative to Okta and Auth0.

Grafana

MONITORING

Replaces: Datadog, NewRelic

Open-source analytics and monitoring platform. Create dashboards, alerts, and explore metrics from any data source.

Supabase

AUTH

Replaces: Firebase, Auth0

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Cal.com

SCHEDULING

Replaces: Calendly, SavvyCal

Open-source scheduling infrastructure. Self-host alternative to Calendly and SavvyCal with API, SSO, and multi-language support.

AppFlowy

DOCS

Replaces: Notion, Confluence, Coda

The leading open source Notion alternative. Bring projects, wikis, and teams together with AI. Collaborative workspace where you achieve more without losing control of your data.

Vaultwarden

PASSWORD MANAGER

Replaces: Bitwarden, 1Password

Lightweight Bitwarden-compatible password manager server. Self-host alternative to Bitwarden and 1Password with API, mobile app, SSO, and offline mode.

PostHog

ANALYTICS

Replaces: Mixpanel, Amplitude

Product analytics platform with session replay, feature flags, and A/B testing. Alternative to Mixpanel and Amplitude.

Uptime Kuma

STATUS

Replaces: BetterStack, StatusCake

A fancy self-hosted monitoring tool for websites and services. Beautiful dashboard, status pages, and multi-protocol checks.

Chatwoot

SUPPORT

Replaces: Intercom, Zendesk

Open-source live-chat, email support, and omni-channel customer engagement platform. Alternative to Intercom and Zendesk.

Listmonk

EMAIL MARKETING

Replaces: Mailchimp, CampaignMonitor

High-performance, self-hosted newsletter and mailing list manager. Alternative to Mailchimp and CampaignMonitor.

Nextcloud

STORAGE

Replaces: GoogleDrive, Dropbox

Self-hosted file sync and collaboration platform. Store, share, and collaborate on files with end-to-end encryption and mobile apps.

Strapi

CMS

Replaces: Contentful, Sanity

Headless CMS for building APIs. Self-host alternative to Contentful and Sanity with API, SSO, multi-language, and audit log.

ERPNext

FINANCE

Replaces: NetSuite, Odoo

Full-featured ERP for manufacturing, retail, and services. Self-host alternative to NetSuite and Odoo with API, SSO, audit log, multi-language, and mobile app.

Appsmith

INTERNAL TOOLS

Replaces: Retool

Low-code platform for building internal tools. Self-host alternative to Retool with API, SSO, audit log, multi-language, and guest access.

Directus

CMS

Replaces: Contentful, Airtable

Headless CMS and data platform. Self-host alternative to Contentful and Airtable with API, SSO, multi-language, and guest access.

BookStack

DOCS

Replaces: Confluence, Notion, GitBook

A platform to create documentation and wiki content built with PHP and Laravel. Simple, structured wiki with books, chapters, and pages.

Gitea

GIT DEVOPS

Replaces: GitHub, GitLab

Git with a cup of tea! Painless self-hosted all-in-one software development service with Git hosting, code review, and CI/CD.

GitLab

GIT DEVOPS

Replaces: GitHub, Bitbucket

Complete DevOps platform. Git repository management, CI/CD, security scanning, and project management in one application.

Jitsi Meet

VIDEO CONFERENCING

Replaces: Zoom, Google Meet

Secure video conferencing platform. Self-host alternative to Zoom and Google Meet with API, mobile app, multi-language, and guest access.

Keycloak

AUTH

Replaces: Auth0, Okta

Open-source identity and access management with SSO, OAuth, and SAML. Alternative to Auth0 and Okta.

Formbricks

FORMS

Replaces: Typeform, Qualtrics

Open-source survey and form platform. Build beautiful surveys, collect responses, and analyze feedback with privacy-first approach.

NocoDB

FORMS

Replaces: Airtable

Turns any database into a smart spreadsheet. Airtable alternative with REST and GraphQL APIs, views, and automation.

SigNoz

MONITORING

Replaces: Datadog, NewRelic

Open-source observability platform. Traces, metrics, and logs in a single pane. APM, distributed tracing, and alerting.

Umami

ANALYTICS

Replaces: Google Analytics

Simple, fast, privacy-focused web analytics. Alternative to Google Analytics with minimal footprint.

Activepieces

AUTOMATION

Replaces: Zapier, Make

Open-source Zapier and Make alternative. Connect apps, automate workflows, and build integrations with 200+ pieces.

Zammad

SUPPORT

Replaces: Zendesk, Freshdesk

Open-source helpdesk and customer support system with ticketing, knowledge base, and chat. Alternative to Zendesk and Freshdesk.

Invoice Ninja

FINANCE

Replaces: FreshBooks, QuickBooks

Open-source invoicing and expense tracking. Self-host alternative to FreshBooks and QuickBooks with API, mobile app, multi-language, and guest access.

MinIO

STORAGE

Replaces: AmazonS3

High-performance, S3-compatible object storage for AI, ML, and any data-intensive workload. Drop-in replacement for Amazon S3.

Rocket.Chat

MESSAGING

Replaces: Slack, Microsoft Teams, Discord

The Secure CommsOS for mission-critical operations. Open-source team chat with channels, video calls, and integrations.

Matomo

ANALYTICS

Replaces: Google Analytics

Privacy-focused web analytics platform with full data ownership. Alternative to Google Analytics with advanced features.

Akaunting

FINANCE

Replaces: QuickBooks, Xero

Free and online accounting software for small businesses. Self-host alternative to QuickBooks and Xero with API and multi-language support.

EspoCRM

CRM

Replaces: HubSpot, Pipedrive, Salesforce

EspoCRM – Open Source CRM Application. Flexible and extensible CRM for sales, marketing, and customer support.

FreeScout

SUPPORT

Replaces: HelpScout, Zendesk

Open-source helpdesk and shared inbox. Self-hosted alternative to HelpScout and Zendesk.

ToolJet

INTERNAL TOOLS

Replaces: Retool

Low-code platform for building internal tools. Self-host alternative to Retool with API, SSO, audit log, and multi-language support.

Baserow

FORMS

Replaces: Airtable

Open-source no-code database and Airtable alternative. Create databases, spreadsheets, and forms with API access.

Typebot

FORMS

Replaces: Typeform, Landbot

Powerful open-source chatbot builder for creating conversational forms and surveys. Self-host alternative to Typeform and Landbot.

Wiki.js

DOCS

Replaces: Confluence, GitBook, Notion

A modern and powerful wiki app built on Node.js. Git-backed, with a beautiful and intuitive interface.

OpenProject

PROJECT MANAGEMENT

Replaces: Jira, Asana, Monday

Open-source project management software with agile boards, Gantt charts, and time tracking. Alternative to Jira, Asana, and Monday.

Passbolt

PASSWORD MANAGER

Replaces: 1Password, LastPass

Open-source password manager for teams. Self-host alternative to 1Password and LastPass with API, SSO, audit log, and multi-language support.

Netdata

MONITORING

Replaces: Datadog

Real-time performance monitoring for systems and applications. Zero-config, per-second metrics, and instant troubleshooting.

Mautic

EMAIL MARKETING

Replaces: HubSpot, Marketo

Open-source marketing automation platform with email campaigns, lead management, and CRM. Alternative to HubSpot and Marketo.

Budibase

INTERNAL TOOLS

Replaces: Retool

Low-code platform for building business apps. Self-host alternative to Retool with API, SSO, and multi-language support.

Zulip

MESSAGING

Replaces: Slack, Discord, Microsoft Teams

Zulip server and web application. Open-source team chat that helps teams stay productive and focused with threaded conversations.

SuiteCRM

CRM

Replaces: Salesforce, HubSpot, SugarCRM

SuiteCRM - Open source CRM for the world. Enterprise-grade CRM with sales, marketing, and support modules.