Niklas Fiekas

A chess library for Python, with move generation and validation, PGN parsing and writing, Polyglot opening book reading, Gaviota tablebase probing, Syzygy tablebase probing, and UCI/XBoard engine communication

A Rust library for chess and chess variant rules and operations

User interface and public API for probing Syzygy endgame tablebases

Chess and chess variant rules and operations in TypeScript

An HTTP service that renders chess board images

Fast non-allocating and streaming reader for chess games in PGN notation

An experimental chessboard widget for Relm/GTK

A Python-based interpreter for the agent-oriented programming language JASON

Implementation of the IRC server protocol using node.js

Builds a minimal Raspbian Stretch image

A Rust library to probe Syzygy endgame tablebases

A Rust library for Huffman compression given a propability distribution over arbitrary symbols

A Python dictionary that is indexed by insertion order

The strong open source chess engine Stockfish as a PNaCl module

A tiny library to safely render compact HTML5 from Python expressions.

Finding magic factors for bitboard based move generation

Communicate asynchronously with DGT boards

A thread-safe lazily initialized cell using double-checked locking.

UCI chess engine

Experimental WebSocket server for lichess.org - superceded by https://github.com/ornicar/lila-ws

Parse integers directly from ASCII byte slices

Rebase patches that no longer apply to HEAD

Opening explorer for lichess.org

Rust library to query IP2Proxy BIN Data files

Rust implementation of Lichess-flavored Glicko-2 rating system with fractional rating periods and instant rating updates

Syzygy tablebase server

Precompiled Stockfish binaries for fishnet

User interface to probe 8-piece op1 tablebase

Benchmark suite and results for lila-tablebase

Low level Rust bindings for libgtb, a library for Gaviota tablebase probing

A Cloudflare worker to proxy images for privacy, to avoid mixed content, and to add headers

The Stockfish testing framework

Low level Rust bindings for https://github.com/tolius/antichess-tb-api

No description.

Usage examples for chessground

This is a Slack app that posts a daily chess puzzle from lichess.org to the Slack channel in which the app is installed.

A Web Push library for Rust

Thor Vector Graphics is a lightweight portable library used for drawing vector-based scenes and animations including SVG and Lottie. It can be freely utilized across various software platforms and applications to visualize graphical contents.

Manage a school library

Display a website in a stripped down kiosk

Use an android device as a wireless barcode scanner

A bot waiting for deploy commands in the Slack channel

Various clock types for two player games

Tools to experiment with the AgentSpeak programming language

lichess.org mobile application

Experiments to find good parameters for reproducible Stockfish analysis

Seat reservations for CIG lectures at TU Clausthal

String validation and sanitization in JavaScript

Verify Lichess puzzles against tablebase data

Emscripten: An LLVM-to-Web Compiler

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type. It's boosted by a professional yet affordable drag and drop UI editor, called SquareLine Studio.

Find the most efficient auction prices for Stockfish analysis on Hetzner

A bunch of lints to catch common mistakes and improve your Rust code

Confronts lichess puzzles V2 to syzygy tablebase

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SQLite3 bindings for Node.js

K.I.S.S. LSM-tree implementation in safe Rust

Benchmarking Rust storage engines

Compare bloom filter implementations

Low-level Rust bindings for libprophet, a library to probe 6-piece "Prophet" chess endgame tablebases (depth to mate)

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Vendored unstable [T]::partial_sort_unstable() and benchmarks

Try to make TLS connections with manipulated system time

Track and verify MD5/SHA1/SHA256 hashes of files

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

A vector with a fixed capacity. (Rust)

New Lichess mobile app in Flutter

Collection of library stubs for Python, with static types

partial_sort is Rust version of [std::partial_sort](https://en.cppreference.com/w/cpp/algorithm/partial_sort)

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GitHub Action for installing development tools (mainly from GitHub Releases).

rust wrapper for rocksdb

cpuid library in rust.

A safe, concurrent, practical language.

Python module (C extension and plain python) implementing Aho-Corasick algorithm

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Archive of the crates.io-index commit history after squashes

Axum middleware to use Accept and Content-Type headers to serialize with different formats

Benchmarking web frameworks written in rust with rewrk tool.

A secure, standard-conformant, easy to use JWT implementation for Rust.

Embedded C/C++ web server

Implementation of the glicko2 rating system in Rust

Compensated summation algorithms for better precision.

An SVG rendering library.

Eclipse Mosquitto - An open source MQTT broker

No description.

🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.

The Scala 3 compiler, also known as Dotty.

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

A RocksDB compatible KV storage engine with better performance

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A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...

A library wrapper for libipset

MRE for https://github.com/rust-secure-code/cargo-auditable/issues/141

Trying to create a minimal reproducible example for an issue with cargo-auditable

Rust library for encoding/decoding Unix archive (.a) files

A simple Cross-platform thread schedule and priority library for rust.

A modern TLS library in Rust

Buffer List: collect buffers and access with a standard readable Buffer interface, streamable too!

Export lichess game database in a standard PGN format

js ex machina - finite state machines in JavaScript

Desktop app for Lichess external engine

A web framework for Rust.

Converts TTF/WOFF fonts to compact bitmap format

TFT and touch pad drivers for LVGL embedded GUI library

A lightweight AgentSpeak interpreter for C++

Stundenpläne, Vertretungsplan und Pausenaufsichten aus Gp Untis in IServ anzeigen

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Experimental more efficient encoding scheme for https://github.com/niklasf/lila-openingexplorer

Self hosted endpoint for HTTP Report-To, NEL, Expect-CT and DMARC

Small hack to work around https://github.com/ornicar/lila/pull/9327#issuecomment-873360065

Homework for learning Java RMI.

No description.

Some strategies to find (potentially) broken Lichess puzzles

Mobile/Web chess UI for lichess.org

ScalaTags is a small XML/HTML construction library for Scala.

A high performance concurrent caching library for Rust

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chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more

Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.

Self updates for rust executables

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🍣 The one-stop shop for official Rollup plugins

galimatias is a URL parsing and normalization library written in Java.

Security advisory database for Rust crates published through crates.io

Unicode Case-folding for Rust

A TypeScript result type taking cues from Rust's Result and Haskell's Either types

New websocket server

A library that provides an embeddable, persistent key-value store for fast storage.

No description.

Deploy arbitrary static assets through GitHub Actions

liburing bindings

Chess tournament management software for the Lichess4545 league

async fn(Request) -> Result<Response, Error>

Ergonomic and modular web framework built with Tokio, Tower, and Hyper

Micro client-side router inspired by the Express router

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. Note: the repository does not accept github pull requests at this moment. Please submit your patches at http://reviews.llvm.org.

An easy and powerful Rust HTTP Client

Personal crev proof repository

Consolidated view of all your chess games from chess.com, lichess, grandmaster games or custom pgn.

CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.

Link your patron status to the Lichess discord.

GitHub authentication strategy for Lichess and Node.js.

Simple app with oauth and lichess in flask

IpNet, Ipv4Net, and Ipv6Net types and methods for Rust

NNUE (Chess evaluation) trainer in Pytorch

This script generates Horde positions and assesses whether white has enough material to deliver mate in each one of those positions.

Chess Helpmate Analyzer (CHA) is an implementation of a decision procedure for checking whether there exists a sequence of legal moves that allows a certain player to checkmate their opponent in a given chess position.

Stream a framebuffer device over HTTP

Use FreeBSD in github actions

Keep elasticsearch threads out of your web facing app, kids

Typed HTTP Headers from hyper

a re-implementation of the asyncio mainloop on top of Trio

No description.

:symbols: A collection of GitHub issue and pull request templates

A library for reading and writing GIF images

Chess API written in scala. Immutable and free of side effects.

GoSquared's flag icon set

A virtual DOM library with focus on simplicity, modularity, powerful features and performance.

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Useful resources for using IPFS and building things on top of it

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A cryptographically verifiable code review system for the cargo (Rust) package manager.

Actix web is a small, pragmatic, extremely fast, web framework for Rust.

Reads chess games in PGN format and adds annotations using an engine

Play Framework

An OAuth server application that handles incoming OAuth requests for Lichess.

Repo for helpers related to emails

No description.

spaced repetition for chess

Type-Safe Errors for JS & TypeScript

Gibt einen Überblick über Termine eines Jahres

A guide to changes between various editions of Rust

Modular web framework

Simple time handling in Rust

Lightweight, event-driven WebSockets for Rust.

The Python programming language

Lichess API documentation and examples (WIP)

A contiguous-in-memory double-ended queue that derefs into a slice

Compact and efficient synchronization primitives for Rust. Also provides an API for creating custom synchronization primitives.

Library for building powerful interactive command lines in Python

A fast, boilerplate free, web framework for Rust

Librsvg bindings for rust

An HTTP library for Rust

Free (as in freedom) open source clone of the Age of Empires II engine.

No description.

Numeric traits for generic mathematics in Rust

Book in preparation: introduction to theoretical computer science

A JIT compiled chess engine which traverses the search tree in batches in a best-first manner, allowing for neural network batching, asynchronous GPU use, and vectorized CPU computations.

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List of sites with two factor auth support which includes SMS, email, phone calls, hardware, and software.

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Rust HTTP types

The repository for high quality TypeScript type definitions.

:clock8: :hourglass: timeago.js is a tiny(~2.0kb) library used to format date with `*** time ago` statement. eg: '3 hours ago'. No dependency & localization & tiny.

Calculate the average of a sequence and its error iteratively

Tool to generate rust bindings and user API for glib-based libraries