Alexander Liesenfeld

keycloak-2fa-email-authenticator. 🔒 Keycloak Authentication Provider implementation to get a two factor authentication with a OTP/code/token send via Email (SMTP, SendGrid, AWS SES, Mailgun)

ngx-maplibre-gl. Angular binding of maplibre-gl

openapi-to-mcpserver. A tool&lib that can automatically convert OpenAPI documents into Higress remote MCP server configurations.

mcp-swagger-server. A Model Context Protocol (MCP) server that converts Swagger/OpenAPI specifications into MCP tools.

wg-easy. The easiest way to run WireGuard VPN + Web-based Admin UI.

headroom. Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

atlas. Pure Rust Inference Engine

Epstein_Files_RAG. An open-source RAG platform to explore the unsealed Jeffrey Epstein court documents.

spark-vllm-docker. Docker configuration for running VLLM on dual DGX Sparks

build-your-own-x. Master programming by recreating your favorite technologies from scratch.

sops. Simple and flexible tool for managing secrets

adk-go. An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

zed. Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

obscura. The headless browser for AI agents and web scraping

age. A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

s3pia. S3pia - Simple self-contained AI assistant inspired by OpenClaw. Single Docker container with web interface, Telegram bot, persistent memory, scheduled tasks, and skills. Chat with S3pia for autonomous background code execution. https://marcelrsoub.github.io/s3pia/

clickhouse-backup. Tool for easy backup and restore for ClickHouse® using object storage for backup files.

ClickHouse. ClickHouse® is a real-time analytics database management system

Flutter_Pinput. Flutter package to create Pin code input text field with every pixel customization possibility 🎨 with beautiful animations, iOS autofill, Android autofill

engineeringladders. A framework for Engineering Managers

rust. Rust for the xtensa architecture. Built in targets for the ESP32 and ESP8266

adblock-rust. Brave's Rust-based adblock engine

embedded-svc. Rust APIs and abstractions for various embedded services (WiFi, Network, Httpd, Logging, etc.)

ble-peripheral-rust. A cross-platform Rust crate for building Bluetooth Low Energy peripherals

local-comments. VSCode extension that allows you to add comments to specific lines of code in a file, without modifying the code file itself. The comments are saved to a JSON file in your user root folder.

server. The fully compliant, embeddable high-performance Go MQTT v5 server for IoT, smarthome, and pubsub

syncthing. Open Source Continuous File Synchronization

joplin. Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

rclone. "rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Azure Blob, Azure Files, Yandex Files

echo-openapidocs. Echo OpenAPI Docs is a Go library that allows you to use OpenAPI documentation generators in your Echo application.

openapi-filter. Filter internal paths, operations, parameters, schemas etc from OpenAPI/Swagger/AsyncAPI definitions

ifex-viewer. The IFEX Viewer is a web component designed to display API specifications created with the Interface Exchange Framework (IFEX).

glsl-language-toolkit. Prettier plugin for GLSL

livemarkdown. An HTTP server to render markdown files to HTML

ng-icons. The ultimate icon library for Angular

sqlc. Generate type-safe code from SQL

typeid. Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs

yaade. Yaade is an open-source, self-hosted, collaborative API development environment.

Restfox. Offline-First Minimalistic HTTP & Socket Testing Client for the Web & Desktop

rb. High-performance in-memory ring buffer

shortuuid. A generator library for concise, unambiguous and URL-safe UUIDs

base62. Compact and high performace implementation of base62 algorithm for Golang.

base62. Base62 implementation for Go

crock32. Implementation of Douglas Crockford's base32 encoding scheme in Go.

feistel. Feistel cipher implementation in Golang for format-preserving encryption

sonyflake. A distributed unique ID generator inspired by Twitter's Snowflake

snowflake. A simple to use Go (golang) package to generate or parse Twitter snowflake IDs

go-snowflake. ❄ An Lock Free ID Generator for Golang based on Snowflake Algorithm (Twitter announced).

obsidian-card-board. An Obsidian plugin to make working with tasks a pleasure (hopefully anyway).

sslyze. Fast and powerful SSL/TLS scanning library.

langchaingo. LangChain for Go, the easiest way to write LLM-based programs in Go

path-tree. path-tree is a lightweight high performance HTTP request router for Rust

gollm. Unified Go interface for Language Model (LLM) providers. Simplifies LLM integration with flexible prompt management and common task functions.

river. Fast and reliable background jobs in Go

lovely-dashboard. A multifunctional feature packed SimHub Dashboard (DDU) and a matching Stream Overlay.

gonic. music streaming server / free-software subsonic server API implementation

open-api. A Monorepo of various packages to power OpenAPI in node

wails-angular-template. TypeScript

chakra-ui. Chakra UI is a component system for building SaaS products with speed ⚡️

tracerr. Golang errors with stack trace and source fragments.

postgres-backup-s3. A handy Docker container to periodically backup PostgreSQL to S3

go-config-encryption. Go

deckschrubber. Deckschrubber inspects images of a Docker Registry and removes those older than a given age. :high_brightness::ship:

biscotti. A Rust library for managing HTTP cookies.

ogen. OpenAPI v3 code generator for go

grpc-web. gRPC Web implementation for Golang and TypeScript

scalar. Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

capacitor-secure-storage-plugin. Capacitor plugin for storing string values securly on iOS and Android.

capacitor-document-scanner. A Capacitor document scanner plugin for Android and iOS

crab. A community fork of a language named after a plant fungus. All of the memory-safe features you love, now with 100% less bureaucracy!

corenet. CoreNet: A library for training deep neural networks

handlebars-rust. Rust templating with Handlebars

cargo-readme. Generate README.md from docstrings

go-wkhtmltopdf. Handcrafted Go bindings for wkhtmltopdf and high-level HTML to PDF conversion interface

flagconf. extensions to Go's flag package to support prefixed environment variables and a simple config file format

unstructured. Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.

unstructured-api. Python

pg-embed. Run a Postgresql database locally on Linux, MacOS or Windows as part of another Rust application or test.

jsonapi. jsonapi.org style payload serializer and deserializer

eui. Elastic UI Framework 🙌

playwright-rust. Playwright port to Rust

client_golang. Prometheus instrumentation library for Go applications

go-geom. Package geom implements efficient geometry types for geospatial applications.

languagetool. Style and Grammar Checker for 25+ Languages

pgx-google-uuid. Google UUID type support for pgx PostgreSQL driver

hush. 🤫 Noiseless Browsing – Content Blocker for Safari

German-NLP. Curated list of open-access/open-source/off-the-shelf resources and tools developed with a particular focus on German

awesome-nlp. :book: A curated list of resources dedicated to Natural Language Processing (NLP)

docker-languagetool. Dockerfile for LanguageTool server

gue. Golang queue on top of PostgreSQL

llm-course. Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.

embedded-postgres. Run a real Postgres database locally on Linux, OSX or Windows as part of another Go application or test

adventofcode2023. Go

wails. Create beautiful applications using Go

hermes. Golang package that generates clean, responsive HTML e-mails for sending transactional mail

BestGPTs. Top ranked OpenAI GPTs

nih-plug. Rust VST3 and CLAP plugin framework and plugins - because everything is better when you do it yourself

aws-lambda-web-adapter. Run web applications on AWS Lambda

Startup-CTO-Handbook. The Startup CTO's Handbook, a book covering leadership, management and technical topics for leaders of software engineering teams

IPlugDesigner. IPlug Designer Graphics and Code tool

async-stripe. Async (and blocking!) Rust bindings for the Stripe API

gopher-reading-list. A curated selection of blog posts on Go

api2go. JSONAPI.org Implementation for Go

go-readability. Go package that cleans a HTML page for better readability.

percollate. A command-line tool to turn web pages into readable PDF, EPUB, HTML, or Markdown docs.

famous-bugs. Famous bugs fixed, problems solved and failures experienced in software history :bug: :bee: :ant: :beetle:

testify. A toolkit with common assertions and mocks that plays nicely with the standard library

cognitive-load. 🧠 Cognitive load is what matters

progenitor. An OpenAPI client generator

muzic. Muzic: Music Understanding and Generation with Artificial Intelligence

private-gpt. Complete API layer for private AI applications on local models: RAG, skills, tools, MCP, text-to-sql, and more. Works with any OpenAI-compatible inference server.

vault-ai. OP Vault ChatGPT: Give ChatGPT long-term memory using the OP Stack (OpenAI + Pinecone Vector Database). Upload your own custom knowledge base files (PDF, txt, epub, etc) using a simple React frontend.

pmm. Percona Monitoring and Management: an open source database monitoring, observability and management tool

quic-go. A production-ready QUIC implementation in pure Go

cliphist. Wayland clipboard manager with support for multimedia

goth. Package goth provides a simple, clean, and idiomatic way to write authentication packages for Go web applications.

fuel-specs. 📝 Specifications for the Fuel protocol and the FuelVM, a blazingly fast blockchain VM.

go-responsewriter-lint. Go

authelia. The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

webauthn. FIDO2 Conformant WebAuthn and Passkey backend library for golang

gojsonschema. An implementation of JSON Schema, draft v4 v6 & v7 - Go language

groupcache. groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.

groupcache. Clone of golang/groupcache with TTL and Item Removal support

nest. A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

hardhat-deploy. hardhat deployment plugin

isahc. The practical HTTP client that is fun to use.

fuels-rs. Fuel Network Rust SDK

solana-go. Go SDK library and RPC client for the Solana Blockchain

mailchain-legacy. Using Mailchain, blockchain users can now send and receive rich-media HTML messages with attachments via a blockchain address.

proteus. Generate .proto files from Go source code.

tygo. Generate Typescript types from Golang source code

proteus. A simple tool for generating an application's data access layer.

useragent. Go/Golang parser for user agent strings

go-health-prometheus. Go library for integrating alexliesenfeld/health with Prometheus

go-filelock. Go

go-redis. Redis Go client

moonbeam. An Ethereum-compatible smart contract parachain on Polkadot

go-jwt-middleware. A Middleware for Go Programming Language to check for JWTs on HTTP requests

ent. An entity framework for Go

go-hashids. Go (golang) implementation of http://www.hashids.org

validator. :100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving

copier. Copier for golang, copy value from struct to struct and more

huddle-landing-page. SCSS

ngx-lottie. Fully customizable Angular component for rendering After Effects animations. Compatible with Angular 9+ :rocket:

ozzo-validation. An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags.

springdoc-openapi. Library for OpenAPI 3 with spring-boot

buffalo. Rapid Web Development w/ Go

carbon-lang. Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

twofactor. Golang two factor authentication library

spoonking. small game to dig in sand and find stuff

pdfbox-layout. Java

bleve. A modern text/numeric/geo-spatial/vector indexing library for go

lo. 💥 A Lodash-style Go library based on Go 1.18+ Generics (map, filter, contains, find...)

superset. Apache Superset is a Data Visualization and Data Exploration Platform

gls. Goroutine local storage

gistr. A cli tool written in rust to download and upload gists from terminal

subtle. a cli application handy to download subtitles

squirrel. Fluent SQL generation for golang

clockwork. a fake clock for golang

testcontainers-go. Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.

blockchain. JavaScript

gnet. 🚀 gnet is a high-performance, lightweight, non-blocking, event-driven networking framework written in pure Go.

qstring. Query string parser

gcassert. Assert your Go code is inlined and bounds-check eliminated

juniper. GraphQL server library for Rust

difference.rs. Rust text diffing and assertion library

OctoPrint. OctoPrint is the snappy web interface for your 3D printer!

go-tools. Staticcheck - The advanced Go linter

parquet-go. Go package to read and write parquet files. parquet is a file format to store nested data structures in a flat columnar data format. It can be used in the Hadoop ecosystem and with tools such as Presto and AWS Athena.

ethereumbook. Mastering Ethereum: 2nd Edition, by Andreas M. Antonopoulos, Gavin Wood, Carlo Parisi, Alessandro Mazza, Niccolò Pozzolini

huginn. Create agents that monitor and act on your behalf. Your agents are standing by!

gotenberg. A developer-friendly API for converting many document formats into PDF files, and more!

pdf2htmlEX. Convert PDF to HTML without losing text or format.

micro. A modern and intuitive terminal-based text editor

xh. Friendly and fast tool for sending HTTP requests

lambda-layer-for-alexa. Use a shared AWS Lambda Layer that contains all generic dependencies for Alexa skills that are build with the ASK SDK for Node.js (or build your own).

vst-rs. VST 2.4 API implementation in rust. Create plugins or hosts. Previously rust-vst on the RustDSP group.

cors. Go net/http configurable handler to handle CORS requests

async-trait. Type erasure for async trait methods

awesome-go. A curated list of awesome Go frameworks, libraries and software

go-sundheit. A library built to provide support for defining service health for golang services. It allows you to register async health checks for your dependencies and the service itself, provides a health endpoint that exposes their status, and health metrics.

logrus. Structured, pluggable logging for Go.

UnnaturalScrollWheels. Invert scroll direction for physical scroll wheels while maintaining "Natural" scrolling for trackpads on MacOS

football-graphs. Graphs and passing networks in football.

healthcheck. An simple, easily extensible and concurrent health-check library for Go services

hmq. High performance mqtt broker

metrics. A metrics ecosystem for Rust.

paypal-rs. A rust library that wraps the paypal api asynchronously in a strongly typed manner.

mdBook. Create book from markdown files. Like Gitbook but implemented in Rust

keycloak-angular. Easy Keycloak integration for Angular applications.

mu-rs. μ-rs is a maintainable and simple AWS Lambda Runtime for Rust

prometheus-msteams. Forward Prometheus Alert Manager notifications to Microsoft Teams.

helvetia. Secrecy as a service

helm-charts. A curated set of Helm charts brought to you by codecentric

delete-artifact. A GitHub Action to deletes artifacts within the workflow run.

db-queue. Worker-queue implementation on top of Java and database

mpart-async. Asynchronous Multipart Requests for Rust

clap. A full featured, fast Command Line Argument Parser for Rust

rayon. Rayon: A data parallelism library for Rust

hyperfine. A command-line benchmarking tool