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Quantinuum

36 indexed repositories · View on GitHub

lambeq
A high-level Python library for Quantum Natural Language Processing

Python · 540 stars
pytket-docs
User manual and example notebooks for the pytket quantum computing toolkit

Jupyter Notebook · 334 stars
tket
Source code for the TKET quantum compiler, Python bindings and utilities

C++ · 315 stars
guppylang
Pythonic quantum-classical programming language

Python · 147 stars
qujax
Simulating quantum circuits with JAX

Python · 76 stars
hugr
Hierarchical Unified Graph Representation for quantum and classical programs

Rust · 71 stars
tket2
The TKET quantum compiler

Rust · 60 stars
pytket-quantinuum
pytket-quantinuum, extensions for pytket quantum SDK

Python · 38 stars
selene
Quantinuum's emulator for hybrid quantum computation

Python · 32 stars
tierkreis
Tierkreis Hybrid Workflow Management System

Python · 24 stars
qnexus
Python client for the Quantinuum Nexus Quantum Computing Platform

Python · 23 stars
pytket-qiskit
pytket-qiskit, extensions for pytket quantum SDK

Python · 22 stars
pytket-cutensornet
cuTensorNet Python API extensions for pytket quantum SDK

Python · 18 stars
portgraph
Directed graph with first-level ports in Rust.

Rust · 17 stars
pytket-qir
Public repo for the pytket-qir package

LLVM · 11 stars
zixy
Quantinuum's high performance library for the manipulation of Pauli strings and other quantum algebraic objects.

Rust · 9 stars
pytket-phir
pytket-phir is a circuit analyzer and translator from pytket to PHIR.

Python · 8 stars
tmp-postgrust

Rust · 7 stars
Qubitserf

Python · 7 stars
guppyalgos
Reusable primitives for composing abstract quantum algorithms in Guppy.

Python · 7 stars
16 more repositories live on View on GitHub

Beginner friendly Everything

Open All

`ZXGraphlikeOptimisation` produces non-equivalent circuits Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

Quantinuum/tket#2236 · Opened Sep 18, 2026
IfElse causes Input nodes in a Map body to not be evaluated and then fail. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Quantinuum/tierkreis#665 · 2 comments · Opened Sep 18, 2026
[Bug]: Return type mismatch with `Tuple` not caught by Guppy compilation error when using `map_global` Open

S-needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 68/100

Quantinuum/guppyft#414 · Opened Sep 18, 2026
[Feature]: Add `empty_array` helper to create an array with all elements borrowed Open

C-feature-accepted

Quantinuum/guppylang#2340 · 1 assignee · Opened Sep 18, 2026
[Chore] Setup release-plz and publish pg-libs Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Quantinuum/tket2#2011 · Opened Sep 17, 2026
[Chore]: Move pg-libs to the root rust workspace Open

Quantinuum/tket2#2010 · 1 assignee · Opened Sep 17, 2026
[Docs] Beginner tutorial - traversing graphs Open

Quantinuum/hugr#3271 · 1 assignee · Opened Sep 17, 2026
[Docs] Beginner tutorial - guppy-generated graphs Open

Quantinuum/hugr#3270 · 1 assignee · Opened Sep 17, 2026
[Docs] Beginner tutorial - construction Open

Quantinuum/hugr#3269 · 1 assignee · Opened Sep 17, 2026
[pg-libs] Try different cost heuristics in `pg-greey-synth` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

Quantinuum/tket2#2008 · Opened Sep 17, 2026
[pg-libs] Support conditional global phase Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

Quantinuum/tket2#2006 · Opened Sep 16, 2026
[pg-libs] SIMD performance investigation Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

Quantinuum/tket2#2005 · Opened Sep 16, 2026
[pg-libs] Investigate and improve GatePool performance in `pg-greedy-synth` Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Quantinuum/tket2#2004 · Opened Sep 16, 2026
[pg-libs] Investigate memory usage in PackedPGSlice in `pg-greedy-synth` Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Quantinuum/tket2#2003 · Opened Sep 16, 2026
[pg-libs] Improve conditional and blackbox handling in `pg-greedy-synth` Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

Quantinuum/tket2#2002 · Opened Sep 16, 2026
[pg-libs] Use `SerialCircuit` as a conversion target in pg-tk converter Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

Quantinuum/tket2#2001 · Opened Sep 16, 2026
Add encoder/decoder for pauli exponentials Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

Quantinuum/tket2#1999 · Opened Sep 16, 2026
[Bug]: Output of `nat` converts to `int` Open

C-bugfix S-needs-triage

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

Quantinuum/guppylang#2339 · Opened Sep 16, 2026
Cache sub-graphs in memory while running Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Quantinuum/tierkreis#660 · Opened Sep 16, 2026
[BUG]: Visualizer uses run_id instead of workflow id / update to Open

bug enhancement visualizer

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Quantinuum/tierkreis#659 · Opened Sep 15, 2026
Reject duplicate special ports on graphs Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Quantinuum/tierkreis#650 · Opened Sep 15, 2026
[Feature]: Protocol for cross-library hugr-py sharing Open

C-feature-request S-needs-triage

Quantinuum/hugr#3261 · 1 assignee · Opened Sep 14, 2026
[Feature]: Static function pointers Open

C-feature-request S-needs-triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

Quantinuum/hugr#3260 · Opened Sep 14, 2026
[Refactor]: Remove `render_str` implementation from `OpTrait` and `DataflowOpTrait` Open

C-refactor

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Quantinuum/hugr#3259 · Opened Sep 14, 2026
[Feature]: Compiler to collate computational ops before replacing with logical ops Open

A-encoder C-feature-accepted

Quantinuum/guppyft#388 · 1 assignee · Opened Sep 14, 2026
Rethink the result stream Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

Quantinuum/selene#221 · Opened Sep 14, 2026
feat: Implement HHL Open

enhancement

Quantinuum/guppyalgos#22 · 1 assignee · Opened Sep 14, 2026
Specify .tierkreis directory Open

Needs Scoping

Difficulty 5/5 Over a week Newbie friendliness 35/100

Quantinuum/tierkreis#649 · Opened Sep 11, 2026
[Feature]: Extend `guppyft.verify` to check Clifford operations between code blocks from different codes Open

C-feature-request S-needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Quantinuum/guppyft#384 · Opened Sep 11, 2026
Clean up overlaping executor functionaility Open

Needs Scoping rust

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Quantinuum/tierkreis#648 · Opened Sep 11, 2026
Add integration tests Open

rust

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Quantinuum/tierkreis#647 · Opened Sep 11, 2026
[Bug]: Protocol checking is failing in finding `__bool__` function Open

A-checker C-bugfix

Difficulty 3/5 1-2 days Newbie friendliness 58/100

Quantinuum/guppylang#2321 · Opened Sep 11, 2026
Feat: parameterized arithmetic circuits Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

Quantinuum/guppyalgos#12 · Opened Sep 11, 2026
Feat: modular adder Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

Quantinuum/guppyalgos#11 · Opened Sep 11, 2026
[Bug]: Comptime function names in debug traces Open

C-bugfix

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Quantinuum/guppylang#2319 · Opened Sep 11, 2026
Perf: optimize qubit count in multiplier Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

Quantinuum/guppyalgos#9 · Opened Sep 11, 2026
[Bug]: Integer division with negative divisor Open

C-bugfix

Difficulty 3/5 1-2 days Newbie friendliness 68/100

Quantinuum/guppylang#2316 · 2 comments · Opened Sep 10, 2026
Upgrade examples to guppylang 1.0 Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Quantinuum/tierkreis#641 · Opened Sep 10, 2026
[Docs]: Find a way to check all docs code snippets Open

A-documentation S-needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Quantinuum/guppyft#379 · Opened Sep 10, 2026
[Maintenance]: Simplify type aliases used in `guppyft.verify` Open

C-maintenance S-needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 68/100

Quantinuum/guppyft#378 · Opened Sep 10, 2026
qnexus.circuits.cost() doesn't support circuits with WASM calls Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Quantinuum/qnexus#383 · Opened Sep 10, 2026
[Bug]: State factory module only displays in docs with workaround Open

S-needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Quantinuum/guppyft#364 · 1 comment · Opened Sep 9, 2026
[refactor]: Use static methods from Guppy v1.1 to simplify Steane primitive tests Open

C-maintenance S-needs-triage

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

Quantinuum/guppyft#359 · 1 comment · Opened Sep 9, 2026
[Docs]: Example architecture with no `STATE` Open

A-documentation S-needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 38/100

Quantinuum/guppyft#358 · Opened Sep 9, 2026
[Docs]: Add docs for "ToyK2" Open

A-documentation S-needs-triage

Quantinuum/guppyft#357 · 1 assignee · Opened Sep 9, 2026
[Maintenance]: Move LogicalMeasurement type and decode op into Iceberg extension Open

C-maintenance S-breaking-change S-needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Quantinuum/guppyft#347 · Opened Sep 9, 2026
Implement qnexus result conversion to QsysResult Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

Quantinuum/hugr-qir#391 · Opened Sep 9, 2026
Better error when can't read HUGR Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

Quantinuum/hugr-qir#390 · Opened Sep 8, 2026
document custom modifiers Open

Quantinuum/guppy-docs#237 · 1 assignee · Opened Sep 7, 2026
[Performance]: Avoid recomputing same results in analyzing custom modifier calls Open

A-compiler C-perf

Difficulty 4/5 3-5 days Newbie friendliness 52/100

Quantinuum/guppylang#2291 · Opened Sep 7, 2026

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