LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
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SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.
- metasearch
- search
- python
- searxng
Database migrations. CLI and Golang library.
- go
- golang
- migration
- migrations
A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.
- full-stack
- open-source
- saas
- nodejs
Free implementation of Play Services
- java
- android
- microg
- google-cloud-messaging
Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.
- prometheus
- google-cloud-storage
- high-availability
- prometheus-ha-pairs
Low-code backend platform. Manage database on spreadsheet-like UI and build cloud functions workflows in JS/TS, all in your browser.
Build your own SaaS business with SaaS boilerplate. Productive stack: React, Material-UI, Next, MobX, WebSockets, Express, Node, Mongoose, MongoDB. Written with TypeScript.
- saas
- boilerplate
- react
- material-ui
🔥 LimeSurvey – A powerful, open-source survey platform. A free alternative to SurveyMonkey, Typeform, Qualtrics, and Google Forms, making it simple to create online surveys and forms with unmatched flexibility.
- survey
- limesurvey
- php
- javascript
Continuous Archiving for Postgres
- python
- backup
- backups
- postgresql
📈 Open source, privacy-first web analytics — a cookie-less Google Analytics alternative with built-in error tracking and performance monitoring. Self-host it or use our cloud. Get started for free!
- docker
- webanalytics
- self-hosted
- selfhosted
🧞 Convert JSON Objects to MySQL, JSON Schema, Mongoose, Google BigQuery, Swagger, and more.
Cordova plugin for Google Firebase
Carthage cache for S3, Minio, Ceph, Google Storage, Artifactory and many others
🔥 List of Firebase talks, tools, examples & articles! Translations in 🇬🇧 🇷🇺 Contributions welcome!
- awesome
- awesome-list
- firebase
- cloud-functions
Self-hostable, privacy-focused website analytics.
- analytics
- cookie-free
- privacy
- self-hosted
🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included
- tls
- truststore
- certificate
- keystore
Starter app for Flutter that includes many different production app features; some not typically included in demo apps.
- flutter
- flutter-examples
- auth0
- internationalization
An effort to bring Google's Firebase C++ API to Qt + QML
Fuego is a command line client for the firestore database (https://firebase.google.com/docs/firestore).
◢ High-perfomance, self-hosted and privacy-focused web analytics service. Written in Go.
Using Machine Learning to predict the type of exercise from movement data
- keras
- tensorflow
- coreml
- googlecloudml
100% open-source, AI-native web analytics with cookieless tracking, open exports, custom domains, and SSO—self-hosted as one Go binary or managed in EU/US cloud.
- analytics
- go
- ai-analytics
- ai-visibility
Elixir library for interacting with Google's Cloud Datastore
- google-cloud-datastore
- database
- elixir