Top Open Source Projects using Svelte
A curated collection of the 48 best free and open-source projects built using Svelte. Discover popular repositories, architecture patterns, and trending software in 2026.
Stormkit
NOASSERTIONSelf-hosted platform for web applications offering automated CI/CD pipelines, multiple environments, and Git integration - with 47% infrastructure cost savings.
Harper
Apache-2.0Open source grammar checker that analyzes your writing quickly while keeping your data completely private and secure on your device.
Workadventure
Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.
Windshift
AGPL-3.0Self-hosted, open-source project management tool with boards, milestones, portals, time tracking, and test management on your own infrastructure.
Windmill
NOASSERTIONPowerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.
undb
AGPL-3.0Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
Abby
AGPL-3.0Open-source feature flags, remote config, and A/B testing for developers

TipTap
MITA customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror
Terrateam
MPL-2.0Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.
Temporal
MITOpen source platform that eliminates infrastructure complexity by handling failures, network issues, and long-running processes to ensure reliable workflow execution
Strapi
NOASSERTIONTypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.
Snapify
AGPL-3.0Effortlessly create, share, and collaborate with screen recordings. Control your data with self-hosting or our secure cloud option.
ShipShipShip
Apache-2.0Self-hostable changelog and roadmap platform with community voting, automated newsletters, and kanban boards. Deploy with Docker in minutes.
Sequin
MITSequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.
Scanopy
AGPL-3.0Discovers your network via SNMP, LLDP, and ARP, then builds and maintains L2/L3 topology diagrams, host inventories, and service dependency maps automatically.
Scalar
MITScalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Rowy
NOASSERTIONA low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.
Hyvor Relay
AGPL-3.0Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Probo
MITCompliance management platform where dedicated compliance officers handle your entire program, from risk assessments to audit coordination, with automated evidence collection.
Hyvor Post
AGPL-3.0Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.
PocketBase
MITA lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
Palform
AGPL-3.0Build end-to-end encrypted forms with enterprise-grade features, no coding required. Protect sensitive data and enhance user trust.
Open WebUI
NOASSERTIONSelf-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
OpenPolicy
Apache-2.0Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.
Mathesar
GPL-3.0A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.
LostPixel
MITAutomated visual testing tool that detects UI changes, ensures consistency, and accelerates development workflows.
llama.cpp
MITC/C++ inference engine for large language models, supporting quantization, multi-GPU, Apple Silicon, and an OpenAI-compatible server across a wide range of hardware.
Kener
MITFree, open-source status page and uptime monitor with Docker deployment. Track 11 service types, manage incidents, schedule maintenance, and notify subscribers instantly.
Immich
AGPL-3.0Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access.
Huly
EPL-2.0Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
Hoppscotch
MITLightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
Hanko
NOASSERTIONOpen source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.
Hackatime
MITFree, open-source coding time tracker compatible with VS Code, JetBrains IDEs, vim, emacs and more. No limits, no paywalls - your data stays yours forever.
Helium
GPL-3.0Chromium-based desktop browser with default ad and tracker blocking, no analytics, native !bangs, split view, and full MV2 extension support.
Graphite
Apache-2.0A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.
GitButler
NOASSERTIONGitButler is a powerful Git client that enables seamless work on multiple branches concurrently, enhancing your existing workflow.
Evidence
MITCreate data-driven websites and reports using SQL and Markdown, with automatic visualizations and interactive elements.
Deta Surf
Apache-2.0A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Coolify
Apache-2.0Self-hostable deployment platform that lets you deploy apps, databases, and 280+ one-click services to any server via SSH, with Git integration and automatic SSL.
ClassroomIO
AGPL-3.0Open source LMS designed for companies and training organizations. Create, manage, and deliver courses with AI support, customizable dashboards, and collaborative features.
Builder
MITDrag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.
c15t
Apache-2.0Open source consent management framework for modern web apps. Framework-agnostic, fully customizable, and performance-first with no vendor lock-in.
Budibase
NOASSERTIONLow-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.
Bknd
Apache-2.0Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Betterlytics
AGPL-3.0GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.
Ballerine
NOASSERTIONReduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
ALTCHA
MITSelf-hosted, privacy-friendly CAPTCHA alternative with proof-of-work mechanism

Appwrite
BSD-3-ClauseOpen-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.