Open Source Projects using Twilio
A curated collection of the 19 best open source software using Twilio. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Multi-channel notification infrastructure for apps
Stars
40,279Last commit
15 hours agoLicense
Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Open Source Alternative to:
Self-host your own scheduling page, no vendor required
Stars
49,700Last commit
2 days agoLicense
MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
Open Source Alternative to:
Transform databases into intuitive spreadsheets instantly
Stars
65,433Last commit
17 hours agoLicense
AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.
Open Source Alternative to:
Self-hosted team messaging with voice, video, and AI
Stars
46,372Last commit
5 hours agoLicense
MIT
Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.
Open Source Alternative to:
Build internal tools rapidly without coding
Stars
41,196Last commit
5 hours agoLicense
AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
Open Source Alternative to:
Secure, customizable identity infrastructure for developers
Stars
15,515Last commit
1 day agoLicense
AGPL-3.0
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
Open Source Alternative to:
Build powerful AI agents with cutting-edge LLM technology
Stars
14,980Last commit
13 hours agoLicense
MIT
A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.
Open Source Alternative to:
Build full-stack apps with TypeScript and real-time sync
Stars
12,778Last commit
7 hours agoLicense
Unknown
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
Open Source Alternative to:
Open source marketing automation for everyone
Stars
10,938Last commit
15 hours agoLicense
Unknown
Mautic is a free and open source marketing automation platform that helps businesses manage leads, create campaigns, and analyze results.
Open Source Alternative to:
Send invoices, accept payments, manage your business—all free
Stars
10,494Last commit
6 hours agoLicense
Elastic-2.0
Free invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.
Open Source Alternative to:
Get alerted when cron jobs and scheduled tasks miss their run
Stars
10,499Last commit
6 hours agoLicense
BSD-3-Clause
Monitors cron jobs, background workers, and scheduled tasks by expecting periodic HTTP pings and alerting you when they stop arriving on time.
Open Source Alternative to:
Comprehensive monitoring and incident management platform
Stars
7,792Last commit
5 hours agoLicense
Apache-2.0
All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly
Open Source Alternative to:
Open-source cloud communications platform for developers
Stars
8,162Last commit
11 hours agoLicense
MIT
Build and deploy powerful voice and messaging applications with ease using Fonoster's flexible, scalable, and developer-friendly platform.
Open Source Alternative to:
Open-source CRM that puts simplicity and control first
Stars
Stars growing over the last 30 days3,916Last commit
7 hours agoLicense
AGPL-3.0
A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.
Open Source Alternative to:
Open-source customer engagement platform for automation
Stars
3,044Last commit
24 days agoLicense
MIT
Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Open Source Alternative to:
Open-source customer communication platform
Stars
3,581Last commit
4 months agoLicense
Unknown
Versatile messaging solution for businesses to engage customers through multiple channels, with AI-powered automation and analytics.
Open Source Alternative to:
Managed identity and access management for any app
Stars
2,143Last commit
1 day agoLicense
Apache-2.0
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.
Open Source Alternative to:
Build lasting communities with modern forum technology
Stars
346Last commit
2 days agoLicense
MPL-2.0
Create permanent, discoverable communities with modern forum features. Combines discussion, curation, and wiki functionality in one platform.
Open Source Alternative to:
AI-powered task management with radical focus
Stars
25Last commit
1 day agoLicense
AGPL-3.0
Open source minimalist task management tool with AI companion that filters noise, automates coordination, and guides teams through complexity with calm focus.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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