Open-source libraries¶
Featured¶
Repositories by kdb+ users
| hypertree | Recursive aggregating treetable and 3-D pivot table for hypergrid. |
| phrases | The Q Phrasebook |
| qprof | Code profiler |
| studio | A rapid-development environment for q. |
Repositories listed here are maintained by their owners.
Awesome Q A collection of useful or interesting repositories curated by q devs.
Please tell librarian@kx.com about new repositories.
GitHub topic queries:
q
kdb
kdb-q
Applications¶
| 3dsim | 3-D world simulation using kdb+/k/q WebSocket server and three.js. |
| betfair-data-capture | Data capture and analysis system built on TorQ for sports exchange data from Betfair. |
| FX-AlgorithmTrading | FX algorithm trading system. |
| kdb-VNC | Implementation of simple VNC server. |
| MarketDataClient | Web scraper for quotes from external financial sites. |
| mserve | Enhanced mserve load-balanced solution. |
| mm | A q implementation of the classic Mastermind game. |
| qex | An equity exchange. |
| q-chess | Simple chess engine. |
| tickrecover | Recover from tickerplant crash. |
| VD_KDB | Forex tick database. |
Cryptography and cryptocurrency¶
| cryptopals | Matasano Crypto Challenges. |
| cryptoq | Cryptographic functions and binary operation. |
| qbitcoin | Enables communication with a running Bitcoin core node and wallet, via HTTP JSON-RPC messages; supports most calls in bitcoin-cli. |
| qMachineTrader | Reinforcement learning method for incrementally estimating the optimal action-value function. |
| qMonitor | Real-time directional trade volume for bitcoin to fiat markets on Binance, Bitfinex, Bitstamp, Kraken and CoinbasePro. |
| qMiner | Experimental Bitcoin mining project to combat inequality and climate change. |
| qOrderBook | OrderBook snapshot for Bitcoin / USD market across Binance, Kraken, Coinbase, Bitstamp, Bitfinex, bitFlyer, Poloniex, Gemini, itBit and Bittrex. |
| qSignals | Live-trade signal-generation for crypto market. |
| qTrends | Bitcoin trend analysis. |
Development tools¶
| compress | File compression. |
| con | Qcon replacement. |
| csvguess | Guess a reasonable loadstring for a CSV file (V2.4+). |
| debug4 | Debugging tools. |
| dbmaint | Database maintenance utilities. |
| diskdelete | Delete data from disk directly, loading one col at a time rather than whole table. Preserves attributes. Goes to ridiculous lengths to avoid writing. |
| dotz | Control external (.z.p*) access to a q session, log access errors to file.
|
| dpy | General object display with type and structure |
| dqweb | Simple web interface for kdb+/q processes |
| help | Create a helpfile from a directory of TXTs |
| io | Benchmark for I/O speed. |
| k4unit | K4 unit testing, loads tests from CSVs, runs+logs to database. |
| Kdb-stuff | ServerChecker: how to execute commands on a remote box via SSH from within a q process and parse Linux system info (cpuinfo/meminfo/df). |
| kwsrepl | Kdb+/k/q live REPL over web sockets. |
| miQ | Divide an application into modules |
| nexusQ | Visualizer for q process network. |
| paste.q | Script for allowing pasting of multi-line q commands into the q REPL. |
| persist-state.q | Save the state of your q session when you exit, and restore it when you start again. |
| q-build | Scripts to allow the standard q binary to be built into RPM and DEB packages. |
| q-doc | Javadoc-inspired documentation generator. |
| q-unit | Unit testing framework. |
| qac | Provides shared memory atomic counter to multiple q processes on Linux. These processes can be either parent/children or unrelated. |
| qcon2 | Console application to query q. |
| qconsole | An IDE for q, written in J/GTK. |
| qp | A package manager for q. |
| qprof | Code profiler |
| qprofiler | Simple code profiler |
| qsparkline | Sparkline plots as UTF-8 character vectors. |
| qspec | A testing framework lightly inspired by Behavior Driven Development and the rspec testing framework. |
| qstudioopen | JDBC driver and authenticator. |
| qtb | Unit testing framework. |
| QUnit | Unit testing framework. |
| reservedwords | Lists q’s reserved words. |
| sphinxQ | A Sphinx documentation tool for q. |
| studio | A rapid-development environment for q. |
| tick | Use instead of an RDB to append data to disk partition during day and use that to build historical partition at day end. |
| tickYahoo | Jobs to download tick data from Yahoo! and save in q database. |
| unparse | Unparse parse tree for q. |
| ws | Workspace utilities |
| yATF.q | CI and test runners |
Editor integrations¶
| Atom |
derekwisong/atom-q quintanar401/atom-charts quintanar401/connect-kdb-q |
| Emacs |
eepgwde/kdbp-mode geocar/kq-mode indiscible/emacs psaris/q-mode |
| Evolved | simongarland/Syntaxhighlighter-for-q |
| Heroku | gargraman/heroku-buildpack-kdb |
| IntelliJ IDEA |
a2ndrade/k-intellij-plugin kdbinsidebrains/plugin shupakabras/kdb-intellij-plugin |
| Jupyter |
jvictorchen/IKdbQ newtux/KdbQ_kernel |
| Linux, macOS, Unix | enlnt/kdb-magic |
| Pygments | jasraj/q-pygments |
| Sublime Text |
smbody-mipt/kdb kimtang/QStudio kimtang/sublime-q kimtang/Q komsit37/sublime-q |
| TextMate | psaris/KX.tmbundle |
| vim |
katusk/vim-qkdb-syntax patmok/qvim simongarland/vim |
| Visual Studio Code |
kdb+/q extension lwshang/vscode-q |
| WordPress | simongarland/Syntaxhighlighter-for-q |
Examples¶
| game-of-life | Conway’s Game of Life. |
| hypercalc | From a q table, create a view with calculated columns. |
| hypertree | Recursive aggregating treetable and 3-D pivot table for hypergrid. |
| JsonRestApi | Server–as-a-function interface |
| kdb | Kdb+ database examples. |
| kdb-euler | Solutions to Euler’s problems. |
| kdblib | Q scripts. |
| klondike | Klondike solitaire |
| kxl | Experimental spreadsheet UI. |
| phrases | The Q Phrasebook |
| projecteuler | Solutions to Project Euler problems. |
| proto | Implementing EDSL. |
| q4q | Source code for “Q for Quants”. |
| qca | Simple cellular automata. |
| qmandel | Mandelbrot. |
| qtest | Test-driven development |
| qtips | Source files for “Q Tips: Fast, Scalable and Maintainable Kdb+”. |
| q_practice | Quick reference guide for some q tasks. |
| secret-dubstep | Time series and statistics. |
| symfun | Studies and classic problems. |
| telescope | Simulate lexically scoped local variables in q functions. |
| ticker-planto | Simplified version of kdb+tick. |
| vivas | Charting: kdb+ WebSocketdrives JavaScript client |
Foreign functions¶
| Boost math library | kimtang/bml |
| C/C++ |
enlnt/ffiq felixlungu/c |
| Fortran | johnanthonyludlow/kdb/docs/fortran.pdf |
| gnuplot | kxcontrib/zuoqianxu/qgnuplot |
| Google Charts | kxcontrib/zuoqianxu/qgooglechart |
| LAPACK, Cephes and FDLIBM | althenia.net/qml |
| Mathematica | kxcontrib/zuoqianxu/qmathematica |
| Matlab | kxcontrib/zuoqianxu/qmatlab |
| Perl | kxcontrib/zuoqianxu/qperl |
| Python |
kxcontrib/serpent.speak kxcontrib/zuoqianxu/qpython |
| Non-linear least squares | brogar/nls |
| R | kimtang/rinit rwinston/kdb-rmathlib |
| Rust |
adwhit/krust redsift/rkdb redsift/kdb-rs-hash |
| TA-Lib | kxcontrib/zuoqianxu/qtalib |
| ZeroMQ | wjackson/qzmq |
Interfaces: q clients¶
| Betfair | picoDoc/betfair-data-capture |
| Bitcoin |
bitmx/btceQ jlucid/qbitcoind jlucid/qexplorer |
| BosonNLP | FlyingOE/q_BosonNLP |
| COMTRADE | diamondrod/q_comtrade |
| Expat XML parser | felixlungu/qexpat |
| Factom blockchain |
jlucid/qfactom jlucid/qfactomconnect |
| ForexConnect | mortensorensen/qfxcm |
| gRPC | diamondrod/qrpc |
| Interactive Brokers | mortensorensen/QInteractiveBrokers |
| IEX | himoacs/iex_q |
| J | Q client for J |
| JDBC | CharlesSkelton/babel |
| Kafka | ajayrathore/krak |
| Lightning | jlucid/qlnd |
| MQTT | himoacs/mqtt-q |
| ODBC | johnanthonyludlow/kdb/docs/odbc.pdf |
| Philips Hue | jparmstrong/qphue |
| Reuters | KxSystems/kdb/c/feed/rfa.zip |
| TSE FLEX | Naoki-Yatsu/TSE-FLEX-Converter |
|
gartinian/kdbTwitter timeseries/twitter-kdb |
|
| Wind资讯 | FlyingOE/q_Wind |
| Yahoo! | fdeleze/tickYahoo |
Interfaces to kdb+¶
Machine learning¶
| funq | Functional Introduction to Machine Learning in q. |
| lstmq | LSTM (Long short-term memory) neural network. |
| ml.q | Machine-learning examples for q |
| mlq | Machine Learning for q |
| qAutomatedTrading | Automated trading platform based on Machine Learning algorithm. |
| qnn | Simple neural network |
| qPoliticalSentimentAnalysis | Political Sentiment Analysis of Facebook comments using Boosting Algorithm. |
| tf | Tensorflow q wrapper |
Mathematics¶
| options | Option-pricing functions. |
| q-math | Library of math functions. |
| ql.q | Quantitative finance library. |
| qml | A library for statistics, linear algebra, and optimization in q. It provides an interface between the q programming language and numerical libraries such as LAPACK. |
Utilities¶
| anim.q | In-browser 3D animation streaming from q |
| broq | Brotli file decompression. |
| jwt.q | JSON Web Token signing and parsing for q. |
| kdb-jdbc | Packaged dependencies of the JDBC driver and protocol/connection classes as provided at KxSystems/kdb/c. |
| kdb-jfx-viewer | (Making) q realtime viewer by JavaFX. |
| kdb-protocol | Packaged dependencies of the IPC protocol classes as provided at KxSystems/kdb/c. |
| kdb-scripts | Utilities. |
| kdbreport | Convert a table to present as reports as email body. |
| kx | Collection of code from code.kx.com and the lists. r is a small parser for RPN. g is to g.k as x is to xterm. sc dynamically calls functions by their address on AMD_64.
|
| log4q | A concise logger for q/kdb+ applications. |
| Q-GeneticAlgo | Functions for defining and running genetic algorithms for fixed length binary chromosomes. |
| q-fmt | Format strings in q style as s-expressions or m-expressions. |
| q-fn | General higher-order functions library |
| q-memo | Memoization tooling for functions in the q programming language. |
| qBigInt | C library for Big Integer KDB+ Arithmetic |
| qchart | Plot data directly from q (using JavaScript). Works well with sublime-q. Transform your data into JSON and renders it into a HTML/JavaScript template. |
| qgz | GZip decompression. |
| qhandle | Manage open handles and backup switchover. |
| qjson | JSON output. |
| qng | Simple PNG tools. |
| qrapidjson | Rapid JSON serialiser. |
| qutil | Provides several different common utility functions. These currently include: an option-parsing facility as an alternative to .Q.opt; and a file-loading facility based on a pathlist and supporting version numbers. |
| strQ | String helper functions. |
| ws.q | Simple library for websockets. |
| xls | Format cells in an Excel document |
Web¶
| dash | Really fast (>100kq/sec) webserver for q and dashboard-making bits. |
| iver-tree | Fast virtual grid renderer. |
| qdash | A port to q of the JavaScript lodash utilities. |
| qmvp | Q Minimum Viable Product is a barebones boiler-plate webserver that includes templating, serving from html/, index files, and logging. |
| qqq | Useful functions for creating websites. |
| quagga | An experiment in building a web-based development environment for q. |
| qwa | Microservice that performs analytics duties for your website. |
Salvaged repositories in kxcontrib
kxcontrib contains repositories salvaged from the former Subversion server for which we have been unable to identify current versions on GitHub. These repositories are not maintained.
:fontawesome-solid-share-square: kxcontrib¶
Salvaged repositories
kxcontrib contains repositories salvaged from the former Subversion server for which we have been unable to identify current versions on GitHub. These repositories are not maintained.
| kxblog | Code shared on the KX blog |