| 1 | magic-trace | Jane Street | OCaml | 6.2k | magic-trace collects and displays high-resolution traces of what a process is doing |
| 2 | dtale | Man Group | TypeScript | 5.2k | Visualizer for pandas data structures |
| 3 | arctic | Man Group | Python | 3.1k | High performance datastore for time series and tick data |
| 4 | beakerx | Two Sigma | Jupyter Notebook | 2.9k | Beaker Extensions for Jupyter Notebook |
| 5 | ArcticDB | Man Group | C++ | 2.4k | ArcticDB is a high performance, serverless DataFrame database built for the Python Data Science ecosystem. |
| 6 | incremental | Jane Street | OCaml | 1.4k | A library for incremental computations |
| 7 | crypto-reading-list | Jump Trading | | 1.4k | |
| 8 | ternfs | XTX Markets | C++ | 1.3k | An exabyte-scale, multi-region distributed file system |
| 9 | core | Jane Street | OCaml | 1.3k | Jane Street Capital's standard library overlay |
| 10 | flint | Two Sigma | Scala | 1.2k | A Time Series Library for Apache Spark |
| 11 | hardcaml | Jane Street | OCaml | 1.1k | Hardcaml is an OCaml library for designing hardware. |
| 12 | base | Jane Street | OCaml | 1.1k | Standard library for OCaml |
| 13 | notebooker | Man Group | Python | 937 | Productionise & schedule your Jupyter Notebooks as easily as you wrote them. |
| 14 | nix-snapshotter | PDT Partners | Go | 833 | Brings native understanding of Nix packages to containerd |
| 15 | bonsai | Jane Street | OCaml | 812 | A library for building dynamic webapps, using Js_of_ocaml |
| 16 | scala-notebook | Bridgewater | JavaScript | 739 | Interactive Scala REPL in a browser |
| 17 | learn-ocaml-workshop | Jane Street | OCaml | 709 | Exercises and projects for Jane Street's OCaml Workshop |
| 18 | pytest-plugins | Man Group | Python | 598 | A grab-bag of nifty pytest plugins |
| 19 | pyflyby | D. E. Shaw | Python | 489 | A set of productivity tools for Python. Learn more at https://www.deshaw.com/library/desco-quansight-improving-jupyter-efficiency |
| 20 | csp | Point72 | Python | 425 | csp is a high performance reactive stream processing library, written in C++ and Python |
| 21 | jupyterlab-execute-time | D. E. Shaw | Jupyter Notebook | 403 | A JupyterLab extension for displaying cell timings |
| 22 | incr_dom | Jane Street | OCaml | 398 | A library for building dynamic webapps, using Js_of_ocaml. |
| 23 | consuldotnet | G-Research | C# | 371 | Consul.NET is a .NET client library for the Consul HTTP API |
| 24 | Cook | Two Sigma | Clojure | 369 | Fair job scheduler on Kubernetes and Mesos for batch workloads and Spark |
| 25 | slang-server | Hudson River Trading | C++ | 278 | A SystemVerilog language server based on the Slang library. |