Owner

nasa

99 indexed repositories · View on GitHub

openmct
A web based mission control framework.

JavaScript · 13127 stars
fprime
F´ - A flight software and embedded systems framework

C++ · 11765 stars
spacewasm
A flight-compliant WebAssembly interpreter.

Rust · 1589 stars
cFS
The Core Flight System (cFS)

C · 1504 stars
apod-api
Astronomy Picture of the Day API service

Python · 1084 stars
earthdata-search
Earthdata Search is a web application developed by NASA EOSDIS to enable data discovery, search, comparison, visualization, and access ac...

JavaScript · 827 stars
osal
The Core Flight System (cFS) Operating System Abstraction Layer (OSAL)

C · 670 stars
nos3
NASA Operational Simulator for Space Systems

C · 629 stars
ogma
Generator of runtime monitors for flight and robotics applications.

Haskell · 582 stars
api-docs
api.nasa.gov

SCSS · 555 stars
cFE
The Core Flight System (cFS) Core Flight Executive (cFE)

C · 521 stars
Common-Metadata-Repository
The Common Metadata Repository (CMR) is a high-performance, high-quality, continuously evolving metadata system that catalogs Earth Scien...

Clojure · 397 stars
instructions
https://github.com/nasa/nasa.github.io/blob/master/docs/INSTRUCTIONS.md

HTML · 386 stars
Open-Source-Catalog
Contains the NASA open source software catalog for automatic deployment to code.nasa.gov

349 stars
pvslib
NASA PVS Library of Formal Developments

Common Lisp · 314 stars
cumulus
Cumulus Framework + Cumulus API

JavaScript · 304 stars
delta
Deep Learning for Satellite Imagery

Python · 231 stars
cea
CEA computes the equilibrium composition of mixtures via free-energy minimization, and uses the resulting product concentrations to deter...

Fortran · 191 stars
trick
Trick Simulation Environment. Trick provides a common set of simulation capabilities and utilities to build simulations automatically.

C++ · 171 stars
CryptoLib
Provide a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communicatio...

C · 168 stars
79 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Organize prototype snippets into subdir Open

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

nasa/Earthdata-DUCS#6 · Opened Sep 18, 2026
Update GitHub Actions pinned to Node.js 20 before the September 23, 2026 removal Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

nasa/cea#165 · Opened Sep 18, 2026
[feature] Add ASan-based leak detection to CI for the Python binding layer Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

nasa/cea#164 · Opened Sep 18, 2026
🐛 [BUG] - Private security advisories filed in June have received no maintainer response Open

bug

Difficulty 5/5 Over a week Newbie friendliness 20/100

nasa/CryptoLib#548 · Opened Sep 18, 2026
CF Unused type declarations Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

nasa/CF#522 · Opened Sep 18, 2026
FM Unused type declarations Open

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

nasa/FM#160 · Opened Sep 18, 2026
HK Unused type declarations Open

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

nasa/HK#98 · Opened Sep 18, 2026
MM Unused type declarations Open

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

nasa/MM#120 · Opened Sep 18, 2026
SC Unused type declarations Open

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

nasa/SC#181 · Opened Sep 18, 2026
MD Unused type declarations Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nasa/MD#101 · Opened Sep 18, 2026
OSAL Unused type declarations Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

nasa/osal#1588 · Opened Sep 18, 2026
SBN Unused type declarations Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

nasa/SBN#110 · Opened Sep 18, 2026
Convert table dump to use FS background file facility Open

Difficulty 3/5 1-2 days Newbie friendliness 67/100

nasa/cFE#2858 · 1 comment · Opened Sep 18, 2026
[SECURITY] Off-by-one bounds check in SBN HKPeerCmd/HKNetCmd allows access to invalid net/peer slots Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nasa/cFS#1128 · Opened Sep 18, 2026
fpp-to-cpp drops rational format fields on aliases of F32 and F64 Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

nasa/fpp#1116 · Opened Sep 18, 2026
Differential validator oracle tests never run: no CI job enables the `differential` feature Open

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

nasa/spacewasm#206 · Opened Sep 18, 2026
Daily Miri gate exits 0 when its test runner is killed: "0 / 3 tests passed" and a green job Open

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

nasa/spacewasm#204 · Opened Sep 18, 2026
Support persistent file paths for framework services for `Os::Baremetal::MicroFs` Open

bug

Difficulty 5/5 Over a week Newbie friendliness 38/100

nasa/fprime#5998 · Opened Sep 17, 2026
Yamcs Upgrade 5.13.5 Open

NewIssue

nasa/nos3#883 · 1 comment · 1 assignee · Opened Sep 17, 2026
Create Generic RCS model tests Open

enhancement

nasa/cml#113 · 1 assignee · Opened Sep 17, 2026
Opcode obfuscation Open

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

nasa/fprime#5997 · Opened Sep 17, 2026
Mean Sea Level model follow-up tasks Open

enhancement new model

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

nasa/cml#112 · Opened Sep 17, 2026
Implement checking for template definitions Open

semantics

nasa/fpp#1115 · 1 assignee · Opened Sep 17, 2026
Modify DpDemo to use 0 for default priority Open

C++

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nasa/fprime#5995 · Opened Sep 17, 2026
Need backward compatibility bridge for CF commands Open

nasa/CF#521 · 1 assignee · Opened Sep 17, 2026
Workflow warning in add to project Open

nasa/cFS#1126 · 1 comment · 1 assignee · Opened Sep 17, 2026
Workflow warning in CodeQL Open

nasa/cFS#1125 · 1 assignee · Opened Sep 17, 2026
CF_CFDP_R_ProcessFd does not bound received FD PDU offset against the declared transaction file size Open

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

nasa/CF#520 · Opened Sep 17, 2026
fpp-to-cpp: generated serializeRecord_* for array records asserts instead of returning a status when size exceeds FwSizeStoreType Open

code generation needs ccb input

Difficulty 3/5 1-2 days Newbie friendliness 76/100

nasa/fpp#1113 · 1 comment · Opened Sep 17, 2026
Remove fpp-to-json Open

tools

nasa/fpp#1112 · 2 assignees · Opened Sep 16, 2026
cFE Unused type declarations Open

nasa/cFE#2855 · 1 assignee · Opened Sep 16, 2026
Note: 502 errors when streaming data with earthaccess Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

nasa/Earthdata-DUCS#4 · Opened Sep 16, 2026
Update Tests and Suites for upcoming release Open

enhancement

nasa/cfs-cosmos-plugin#73 · 1 assignee · Opened Sep 16, 2026
Remove references from UT paramSet functions Open

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

nasa/fprime#5988 · 1 comment · Opened Sep 16, 2026
Svc::RateGroupDriver: rollover product overflows with many rate groups, LCM would not Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

nasa/fprime#5987 · Opened Sep 16, 2026
[Notifications] Clear all button silences future notifications Open

type:bug

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

nasa/openmct#8447 · 2 comments · Opened Sep 16, 2026
Add Standard Sync Marker to CCSDS Open

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

nasa/fprime#5985 · Opened Sep 15, 2026
Supply initial packet schedule for TlmPacketizer Open

C++

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

nasa/fprime#5984 · Opened Sep 15, 2026
🐛 [BUG] - support/fuzz/ has not compiled since v1.5.0, and build-fuzz.sh reports success anyway Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 58/100

nasa/CryptoLib#546 · Opened Sep 15, 2026
make it easier to make dictionaries of field elements assigned values Open

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

nasa/condor#96 · Opened Sep 15, 2026
Get rid of magic assignment of implementation and element class Open

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

nasa/condor#95 · Opened Sep 15, 2026
Production Ready Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

nasa/AMMPER#12 · Opened Sep 15, 2026
Fw::StringUtils add `operator==` Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nasa/fprime#5978 · Opened Sep 15, 2026
[feature] Additional mixture property calculations Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

nasa/cea#160 · 5 comments · Opened Sep 15, 2026
system git config for partialCloneFilter Open

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

nasa/oceandata-notebooks#202 · Opened Sep 15, 2026
🐛 [BUG] - `sa_create` Silently Returns Success for an Out-of-Range SPI Open

bug

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

nasa/CryptoLib#545 · Opened Sep 15, 2026
Inconsistent default values for cmd pipe depth across apps Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

nasa/cFS#1122 · Opened Sep 15, 2026
[bug] ADN entry in thermo.inp uses batch mass/enthalpy (630 g, -683.6 kJ) instead of per-mole values Open

Difficulty 1/5 1-3 hours Newbie friendliness 94/100

nasa/cea#159 · Opened Sep 15, 2026
Provide a lightweight sparkline visualization for numeric telemetry Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

nasa/openmct#8446 · Opened Sep 15, 2026
🐛 [BUG] - TC PDU Length Subtracts `stmacf_len` Unconditionally & Clear SAs Reject Well-Formed Frames Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

nasa/CryptoLib#544 · Opened Sep 15, 2026

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