Open-source projects for first-time contributors

This view ranks 1,525 projects for first-time contributors. It weighs responsiveness 35%, accessibility 30%, governance 15%, criticality 10% and rigor 10%.

Ranked1525 Not ranked9475

Rated321929.3%Gated529948.2%Unrated248222.6%Hidden by this lens (1694)

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Rank	Repository	Score	Coverage	Tier	First reply (median)	No reply in 14 days	Quadrant	Δ rank	Flags	Audited stars

1	kedacore/kedaGo	84.16	78% · Ceiling B	B (capped)	11.2 hours	18%	Sweet Spot	▲1		—
2	jason5ng32/MyIPJavaScript	80.47	63% · Ceiling B	B (capped)	2.1 hours	0%	Nursery	▲83		—
3	servo/rust-smallvecRust	80.40	91% · Ceiling A	A (capped)	0.6 hours	1%	Sweet Spot	▼2		—
4	logisim-evolution/logisim-evolutionJava	79.20	95% · Ceiling A	A (capped)	5.8 hours	3%	Sweet Spot	▲25		—
5	conorbronsdon/avoid-ai-writingJavaScript	78.12	69% · Ceiling B	B (capped)	2.3 hours	0%	Nursery	▲200		—
6	elastic/euiJavaScript	77.66	78% · Ceiling B	B (capped)	13.8 hours	2%	Sweet Spot	▲63		—
7	caddyserver/caddyGo	77.31	85% · Ceiling A	A (capped)	9.3 hours	10%	Sweet Spot	▲3		—
8	litestar-org/litestarPython	77.04	85% · Ceiling A	A (capped)	2.3 hours	29%	Sweet Spot	▲24		—
9	valyala/fasthttpGo	76.69	96% · Full	A	2.4 days	1%	Sweet Spot	—		—
10	apache/dubbo-goGo	76.40	100% · Full	A	10.5 hours	5%	Sweet Spot	▲3		—
11	OpenRCT2/OpenRCT2C and C++	76.34	78% · Ceiling B	B (capped)	9.3 hours	16%	Sweet Spot	▲25		—
12	apache/dolphinschedulerJava	76.15	85% · Ceiling A	A (capped)	11.9 hours	3%	Sweet Spot	▲138	⚠	—
13	diesel-rs/dieselRust	76.11	100% · Full	A	19.5 hours	9%	Sweet Spot	▼6	⚠	—
14	rjsf-team/react-jsonschema-formJavaScript	75.98	100% · Full	A	13.5 hours	7%	Sweet Spot	▲8		—
15	koharu-rs/koharuRust	75.79	72% · Ceiling B	B (capped)	8.8 hours	21%	Sweet Spot	▲60	⚠	—
16	ros-navigation/navigation2C and C++	75.36	78% · Ceiling B	B (capped)	6.1 hours	1%	Sweet Spot	▼1		—
17	agones-dev/agonesGo	75.29	100% · Full	A	15.8 hours	0%	Sweet Spot	▼3		—
18	flybywiresim/aircraftJavaScript	75.27	94% · Ceiling A	A (capped)	14.6 hours	24%	Sweet Spot	▲6		—
19	google/benchmarkC and C++	74.89	100% · Full	A	7.7 hours	1%	Sweet Spot	▲8		—
20	f3d-app/f3dC and C++	74.58	78% · Ceiling B	B (capped)	2.9 hours	1%	Sweet Spot	▲31		—
21	beetbox/beetsPython	74.57	85% · Ceiling A	A (capped)	11.1 hours	17%	Sweet Spot	▲23		—
22	mesonbuild/mesonPython	74.56	78% · Ceiling B	B (capped)	5.1 hours	12%	Sweet Spot	▲3		—
23	beeware/togaPython	74.49	78% · Ceiling B	B (capped)	5.6 hours	4%	Sweet Spot	▲33		—
24	rust-lang/cc-rsRust	74.45	100% · Full	A	4.9 hours	1%	Sweet Spot	▼19		—
25	redis/node-redisJavaScript	74.22	100% · Full	A	9.9 hours	3%	Sweet Spot	▼19		—
26=	prometheus-operator/prometheus-operatorGo	74.22	78% · Ceiling B	B (capped)	22.4 hours	11%	Sweet Spot	▲19		—
27	agavra/tuicrRust	74.20	100% · Full	A	22.1 hours	10%	Sweet Spot	▲106		—
28	pytorch/ignitePython	73.91	100% · Full	A	13.4 hours	18%	Sweet Spot	▲20		—
29	kubernetes-client/pythonPython	73.84	100% · Full	A	1.5 hours	18%	Sweet Spot	▼3		—
30	numaproj/numaflowRust	73.76	94% · Ceiling A	A (capped)	3 hours	9%	Sweet Spot	▲12		—
31	falconry/falconPython	73.64	100% · Full	A	9.3 hours	23%	Sweet Spot	▲39		—
32	delta-io/delta-rsRust	73.45	72% · Ceiling B	B (capped)	13.3 hours	7%	Sweet Spot	▼2		—
33	plantuml/plantumlJava	73.37	100% · Full	A	6.7 hours	8%	Sweet Spot	▲55		—
34=	prometheus/client_golangGo	73.37	100% · Full	A	25.9 hours	32%	Sweet Spot	▼30		—
35	rust-lang/libcRust	73.28	78% · Ceiling B	B (capped)	3.3 hours	11%	Sweet Spot	▼32		—
36	gleam-lang/gleamRust	73.24	72% · Ceiling B	B (capped)	21.7 hours	15%	Sweet Spot	▲92		—
37	faker-js/fakerJavaScript	73.19	100% · Full	A	2.8 hours	5%	Sweet Spot	▼19		—
38	k8sgpt-ai/k8sgptGo	73.08	96% · Full	A	23.1 hours	6%	Sweet Spot	▲25		—
39	pacifio/atlasRust	72.96	63% · Ceiling B	B (capped)	0.7 hours	7%	Nursery	▲237		—
40	microsoft/vscode-cpptoolsJavaScript	72.82	89% · Ceiling A	A (capped)	2.1 hours	1%	Nursery	▲189		—
41	strimzi/strimzi-kafka-operatorJava	72.74	78% · Ceiling B	B (capped)	3.8 hours	3%	Sweet Spot	▲25		—
42	astral-sh/tyPython	72.73	85% · Ceiling A	A (capped)	1 hour	7%	Sweet Spot	▲84		—
43	holoviz/panelPython	72.72	100% · Full	A	13.1 hours	13%	Sweet Spot	▲52		—
44	netalertx/NetAlertXPython	72.40	85% · Ceiling A	A (capped)	5.9 hours	0%	Sweet Spot	▲46		—
45	TheDan64/inkwellRust	72.32	91% · Ceiling A	A (capped)	21.2 hours	0%	Sweet Spot	▲26		—
46	qubvel-org/segmentation_models.pytorchPython	72.28	82% · Ceiling A	A (capped)	5.3 hours	—	Sweet Spot	▲98		—
47=	pwndbg/pwndbgPython	72.28	79% · Ceiling B	B (capped)	8.9 hours	1%	Sweet Spot	▲2		—
48	redis/go-redisGo	72.27	100% · Full	A	14.8 hours	10%	Sweet Spot	▼7		—
49	rust-lang/rustupRust	72.24	100% · Full	A	3.3 hours	2%	Nursery	▲318		—
50	babel/babelJavaScript	72.10	85% · Ceiling A	A (capped)	under 0.1 hours	9%	Sweet Spot	▼38		—

#178% · Ceiling B

kedacore/kedaGo

Score 84.16 · B (capped)

First reply (median) 11.2 hours · No reply in 14 days 18%

Sweet Spot ▲1

#263% · Ceiling B

jason5ng32/MyIPJavaScript

Score 80.47 · B (capped)

First reply (median) 2.1 hours · No reply in 14 days 0%

Nursery ▲83

#391% · Ceiling A

servo/rust-smallvecRust

Score 80.40 · A (capped)

First reply (median) 0.6 hours · No reply in 14 days 1%

Sweet Spot ▼2

#495% · Ceiling A

logisim-evolution/logisim-evolutionJava

Score 79.20 · A (capped)

First reply (median) 5.8 hours · No reply in 14 days 3%

Sweet Spot ▲25

#569% · Ceiling B

conorbronsdon/avoid-ai-writingJavaScript

Score 78.12 · B (capped)

First reply (median) 2.3 hours · No reply in 14 days 0%

Nursery ▲200

#678% · Ceiling B

elastic/euiJavaScript

Score 77.66 · B (capped)

First reply (median) 13.8 hours · No reply in 14 days 2%

Sweet Spot ▲63

#785% · Ceiling A

caddyserver/caddyGo

Score 77.31 · A (capped)

First reply (median) 9.3 hours · No reply in 14 days 10%

Sweet Spot ▲3

#885% · Ceiling A

litestar-org/litestarPython

Score 77.04 · A (capped)

First reply (median) 2.3 hours · No reply in 14 days 29%

Sweet Spot ▲24

#996% · Full

valyala/fasthttpGo

Score 76.69 · A

First reply (median) 2.4 days · No reply in 14 days 1%

Sweet Spot —

#10100% · Full

apache/dubbo-goGo

Score 76.40 · A

First reply (median) 10.5 hours · No reply in 14 days 5%

Sweet Spot ▲3

#1178% · Ceiling B

OpenRCT2/OpenRCT2C and C++

Score 76.34 · B (capped)

First reply (median) 9.3 hours · No reply in 14 days 16%

Sweet Spot ▲25

#1285% · Ceiling A

apache/dolphinschedulerJava

Score 76.15 · A (capped)

First reply (median) 11.9 hours · No reply in 14 days 3%

Sweet Spot ▲138

⚠

#13100% · Full

diesel-rs/dieselRust

Score 76.11 · A

First reply (median) 19.5 hours · No reply in 14 days 9%

Sweet Spot ▼6

⚠

#14100% · Full

rjsf-team/react-jsonschema-formJavaScript

Score 75.98 · A

First reply (median) 13.5 hours · No reply in 14 days 7%

Sweet Spot ▲8

#1572% · Ceiling B

koharu-rs/koharuRust

Score 75.79 · B (capped)

First reply (median) 8.8 hours · No reply in 14 days 21%

Sweet Spot ▲60

⚠

#1678% · Ceiling B

ros-navigation/navigation2C and C++

Score 75.36 · B (capped)

First reply (median) 6.1 hours · No reply in 14 days 1%

Sweet Spot ▼1

#17100% · Full

agones-dev/agonesGo

Score 75.29 · A

First reply (median) 15.8 hours · No reply in 14 days 0%

Sweet Spot ▼3

#1894% · Ceiling A

flybywiresim/aircraftJavaScript

Score 75.27 · A (capped)

First reply (median) 14.6 hours · No reply in 14 days 24%

Sweet Spot ▲6

#19100% · Full

google/benchmarkC and C++

Score 74.89 · A

First reply (median) 7.7 hours · No reply in 14 days 1%

Sweet Spot ▲8

#2078% · Ceiling B

f3d-app/f3dC and C++

Score 74.58 · B (capped)

First reply (median) 2.9 hours · No reply in 14 days 1%

Sweet Spot ▲31

#2185% · Ceiling A

beetbox/beetsPython

Score 74.57 · A (capped)

First reply (median) 11.1 hours · No reply in 14 days 17%

Sweet Spot ▲23

#2278% · Ceiling B

mesonbuild/mesonPython

Score 74.56 · B (capped)

First reply (median) 5.1 hours · No reply in 14 days 12%

Sweet Spot ▲3

#2378% · Ceiling B

beeware/togaPython

Score 74.49 · B (capped)

First reply (median) 5.6 hours · No reply in 14 days 4%

Sweet Spot ▲33

#24100% · Full

rust-lang/cc-rsRust

Score 74.45 · A

First reply (median) 4.9 hours · No reply in 14 days 1%

Sweet Spot ▼19

#25100% · Full

redis/node-redisJavaScript

Score 74.22 · A

First reply (median) 9.9 hours · No reply in 14 days 3%

Sweet Spot ▼19

#26=78% · Ceiling B

prometheus-operator/prometheus-operatorGo

Score 74.22 · B (capped)

First reply (median) 22.4 hours · No reply in 14 days 11%

Sweet Spot ▲19

#27100% · Full

agavra/tuicrRust

Score 74.20 · A

First reply (median) 22.1 hours · No reply in 14 days 10%

Sweet Spot ▲106

#28100% · Full

pytorch/ignitePython

Score 73.91 · A

First reply (median) 13.4 hours · No reply in 14 days 18%

Sweet Spot ▲20

#29100% · Full

kubernetes-client/pythonPython

Score 73.84 · A

First reply (median) 1.5 hours · No reply in 14 days 18%

Sweet Spot ▼3

#3094% · Ceiling A

numaproj/numaflowRust

Score 73.76 · A (capped)

First reply (median) 3 hours · No reply in 14 days 9%

Sweet Spot ▲12

#31100% · Full

falconry/falconPython

Score 73.64 · A

First reply (median) 9.3 hours · No reply in 14 days 23%

Sweet Spot ▲39

#3272% · Ceiling B

delta-io/delta-rsRust

Score 73.45 · B (capped)

First reply (median) 13.3 hours · No reply in 14 days 7%

Sweet Spot ▼2

#33100% · Full

plantuml/plantumlJava

Score 73.37 · A

First reply (median) 6.7 hours · No reply in 14 days 8%

Sweet Spot ▲55

#34=100% · Full

prometheus/client_golangGo

Score 73.37 · A

First reply (median) 25.9 hours · No reply in 14 days 32%

Sweet Spot ▼30

#3578% · Ceiling B

rust-lang/libcRust

Score 73.28 · B (capped)

First reply (median) 3.3 hours · No reply in 14 days 11%

Sweet Spot ▼32

#3672% · Ceiling B

gleam-lang/gleamRust

Score 73.24 · B (capped)

First reply (median) 21.7 hours · No reply in 14 days 15%

Sweet Spot ▲92

#37100% · Full

faker-js/fakerJavaScript

Score 73.19 · A

First reply (median) 2.8 hours · No reply in 14 days 5%

Sweet Spot ▼19

#3896% · Full

k8sgpt-ai/k8sgptGo

Score 73.08 · A

First reply (median) 23.1 hours · No reply in 14 days 6%

Sweet Spot ▲25

#3963% · Ceiling B

pacifio/atlasRust

Score 72.96 · B (capped)

First reply (median) 0.7 hours · No reply in 14 days 7%

Nursery ▲237

#4089% · Ceiling A

microsoft/vscode-cpptoolsJavaScript

Score 72.82 · A (capped)

First reply (median) 2.1 hours · No reply in 14 days 1%

Nursery ▲189

#4178% · Ceiling B

strimzi/strimzi-kafka-operatorJava

Score 72.74 · B (capped)

First reply (median) 3.8 hours · No reply in 14 days 3%

Sweet Spot ▲25

#4285% · Ceiling A

astral-sh/tyPython

Score 72.73 · A (capped)

First reply (median) 1 hour · No reply in 14 days 7%

Sweet Spot ▲84

#43100% · Full

holoviz/panelPython

Score 72.72 · A

First reply (median) 13.1 hours · No reply in 14 days 13%

Sweet Spot ▲52

#4485% · Ceiling A

netalertx/NetAlertXPython

Score 72.40 · A (capped)

First reply (median) 5.9 hours · No reply in 14 days 0%

Sweet Spot ▲46

#4591% · Ceiling A

TheDan64/inkwellRust

Score 72.32 · A (capped)

First reply (median) 21.2 hours · No reply in 14 days 0%

Sweet Spot ▲26

#4682% · Ceiling A

qubvel-org/segmentation_models.pytorchPython

Score 72.28 · A (capped)

First reply (median) 5.3 hours · No reply in 14 days —

Sweet Spot ▲98

#47=79% · Ceiling B

pwndbg/pwndbgPython

Score 72.28 · B (capped)

First reply (median) 8.9 hours · No reply in 14 days 1%

Sweet Spot ▲2

#48100% · Full

redis/go-redisGo

Score 72.27 · A

First reply (median) 14.8 hours · No reply in 14 days 10%

Sweet Spot ▼7

#49100% · Full

rust-lang/rustupRust

Score 72.24 · A

First reply (median) 3.3 hours · No reply in 14 days 2%

Nursery ▲318

#5085% · Ceiling A

babel/babelJavaScript

Score 72.10 · A (capped)

First reply (median) under 0.1 hours · No reply in 14 days 9%

Sweet Spot ▼38