Top Open Source Projects using Bootstrap

A curated collection of the 30 best open source software using Bootstrap. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Uptime Kuma

Self-hosted monitoring tool that checks whether your sites, servers and containers are up and tells you the moment they are not.

Alternative to:

UptimeRobot

Self-hosted uptime monitoring with a clean dashboard

Stars
91,061
Forks
8,359
Last commit
5 days ago

Prometheus

A monitoring system that scrapes time series from configured targets, evaluates rules and fires alerts, standard equipment for cloud native operations.

Alternative to:

Datadog

Open source metrics collection, storage, and alerting

Stars

ToolJet

Open source platform for building internal tools, admin panels and dashboards on top of existing databases, APIs and SaaS systems.

Alternative to:

Retool

Build internal tools rapidly without coding

Stars
40,858

Mattermost

Self-hosted collaboration platform with chat, workflow automation, voice calling and screen sharing for teams that must control their own deployment.

Alternative to:

Slack

Secure collaboration platform for mission-critical work

Stars
39,002

Refine

React meta-framework for CRUD-heavy applications, giving teams building admin panels, dashboards and internal tools a headless foundation.

Alternative to:

Retool

Build data-rich React apps with ease and flexibility

Stars
35,639

Kestra

Declarative orchestrator for data, AI and infrastructure workflows, written in YAML and buildable from a browser-based editor.

Alternative to:

AWS Step Functions

Declarative workflow orchestration for data, AI, and infra

Stars

Redash

Query, visualize and share data from more than 35 sources in the browser, built for SQL users and their colleagues.

Alternative to:

Looker

Connect, query, visualize, and share your data

Stars
28,781

Anki

A spaced repetition flashcard program that schedules each card for the moment you are about to forget it, across desktop, mobile and web.

Alternative to:

Brainscape

Spaced repetition flashcards that remember for you

Stars
30,372

Firefly III

Self-hosted personal finance manager with double-entry bookkeeping, budgets and reports, for tech-savvy people keeping their records off the cloud.

Alternative to:

Monarch Money

Self-hosted personal finance manager with double-entry bookkeeping

Stars

Ceph

Scalable distributed storage system built around RADOS, with block devices and a gateway, for operators and developers running storage clusters.

Alternative to:

Amazon S3

Scalable open-source distributed storage system

Stars
17,008

Bitwarden

Backend server behind the Bitwarden password manager, for teams and individuals who want to host their own vault.

Alternative to:

1Password

Secure password management for individuals and businesses

Stars
20,087

Apache Answer

Q&A platform for teams of any size, whether the goal is a community forum, help center or knowledge base.

Alternative to:

Stack Overflow for Teams

Open-source Q&A platform for knowledge sharing

Stars

PeerTube

A federated video platform where independent instances host, share and stream video without a central company owning the audience.

Alternative to:

YouTube

Decentralized video platform for true digital freedom

Stars
15,316

Bytebase

Database governance for teams and AI agents, putting schema change, access control and compliance behind one reviewed workflow.

Alternative to:

DataGrip

Secure and streamline database changes with CI/CD automation

Stars
14,468

Convex

A reactive database where server functions are plain TypeScript, for web developers who want live-updating apps without stitching a backend together.

Alternative to:

AWS Amplify

Build full-stack apps with TypeScript and real-time sync

Stars

Ghostfolio

Open source wealth management software for busy people who track stocks, ETFs and cryptocurrencies across multiple platforms.

Alternative to:

Quicken

Track, analyze, and optimize your investments effortlessly

Stars
9,252

GrowthBook

Feature flags, experimentation and product analytics on your own data warehouse, for teams that will not build the platform themselves.

Alternative to:

Amplitude

Open-source A/B testing and feature flagging platform

Stars
8,302

Weblate

Web based continuous localization used by thousands of libre projects and companies translating software across many languages.

Alternative to:

Crowdin

Continuous web-based localization for global reach

Stars
6,057

Mockoon

A desktop app and CLI for designing and running mock APIs locally, for developers who need fake endpoints without deploying anything.

Alternative to:

Beeceptor

Effortless API mocking for seamless development

Stars
8,389

Pixelfed

Federated photo sharing that connects to the wider fediverse, for people who want an audience without an algorithm deciding who sees them.

Alternative to:

Flickr

Ad-free photo sharing with privacy and federation

Stars
7,094

Flagsmith

A feature flag, remote config and A/B testing platform for teams that want release control on their own infrastructure.

Alternative to:

LaunchDarkly

Feature flags and remote config for rapid deployment

Stars
6,539

Kimai

Time tracking application for freelancers and companies, with invoicing, budgets, exports and reporting across multiple users, timezones and languages.

Alternative to:

Toggl Track

Effortless time tracking for teams and projects

Stars
4,959

Easy!Appointments

Self-hosted appointment scheduling system for any business, handling providers, services, working plans and bookings with Google Calendar synchronization built in.

Alternative to:

Acuity Scheduling

Free open-source appointment booking for any business

Shopware

Headless ecommerce platform on Symfony and Vue.js that works as a ready-made shop system or as a framework for custom commerce.

Alternative to:

Shopify

Open source ecommerce platform for modern businesses

Stars
3,419

Ever Gauzy

Open business management platform bundling ERP, CRM, HRM, applicant tracking, project management and time tracking for agencies, studios and on-demand teams.

Alternative to:

Microsoft Dynamics 365

Comprehensive open-source business management platform

Stars

LimeSurvey

Free survey platform for researchers, businesses and institutions running unlimited multilingual questionnaires with branching logic, statistics and GDPR compliant handling.

Alternative to:

Typeform

Create engaging surveys and gather valuable insights

Stars

EspoCRM

A free CRM for storing leads, contacts, opportunities, campaigns and support cases, serving small businesses through to larger organizations.

Alternative to:

HubSpot

Complete customer relationship management made simple

Stars
3,326

Sync-in

Self-hosted file storage, synchronization, and team collaboration that leaves your files readable on the filesystem instead of inside object storage.

Alternative to:

Dropbox

Open-source file storage with complete data sovereignty

Stars
1,758

Tiledesk

An open source live chat and chatbot platform for building customer support across web, WhatsApp, Messenger and Telegram from one script.

Alternative to:

Voiceflow

No-code platform to build AI agents and automate support

Stars
14

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Top Open Source Projects using Bootstrap

A curated collection of the 30 best open source software using Bootstrap. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Uptime Kuma

Prometheus

ToolJet

Mattermost

Refine

Kestra

Redash

Anki

Firefly III

Ceph

Bitwarden

Apache Answer

PeerTube

Bytebase

Convex

Ghostfolio

GrowthBook

Weblate

Mockoon

Pixelfed

Flagsmith

Kimai

Easy!Appointments

Shopware

Ever Gauzy

LimeSurvey

EspoCRM

Sync-in

Tiledesk

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