Rust projects that answer outside pull requests

Porchlamp ranks 456 Rust projects by what happens to a stranger's pull request. Among the 357 judged Rust projects, 19.6% left most outside pull requests unanswered for 14 days, against 23.2% across all six ecosystems.

Rust projects for first-time contributors · Fastest first reply to pull requests: Rust projects

Ranked456 Not ranked609

Rated321929.3%Gated529948.2%Unrated248222.6%

Sort by

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

1	servo/rust-smallvecRust	79.26	94% · Ceiling A	A (capped)	0.6 hours	1%	Sweet Spot		—
3	rust-lang/libcRust	77.20	88% · Ceiling A	A (capped)	3.3 hours	11%	Sweet Spot		—
5	rust-lang/cc-rsRust	74.28	100% · Full	A	4.9 hours	1%	Sweet Spot		—
7	diesel-rs/dieselRust	73.72	100% · Full	A	19.5 hours	9%	Sweet Spot	⚠	—
16	wasm-bindgen/wasm-bindgenRust	72.10	100% · Full	A	25.3 hours	9%	Sweet Spot		—
19	rust-lang/socket2Rust	71.87	94% · Ceiling A	A (capped)	2.9 hours	0%	Sweet Spot		—
28	clap-rs/clapRust	70.38	98% · Full	A	9.3 hours	6%	Sweet Spot		—
30	delta-io/delta-rsRust	70.05	71% · Ceiling B	B (capped)	13.3 hours	7%	Sweet Spot		—
33	hyperium/hyperRust	69.81	100% · Full	B	16.1 hours	15%	Sweet Spot	⚠	—
34	tokio-rs/axumRust	69.57	100% · Full	B	6.3 hours	19%	Sweet Spot		—
35	image-rs/imageRust	69.33	100% · Full	B	3.7 hours	9%	Sweet Spot		—
37	quinn-rs/quinnRust	69.20	100% · Full	B	2.1 hours	1%	Sweet Spot		—
42	numaproj/numaflowRust	69.00	84% · Ceiling A	B	3 hours	9%	Sweet Spot		—
43	Keats/validatorRust	68.99	66% · Ceiling B	B (capped)	—	—	Sweet Spot		—
46	tokio-rs/tokioRust	68.95	88% · Ceiling A	B	16.4 hours	16%	Sweet Spot		—
47	GuillaumeGomez/sysinfoRust	68.94	100% · Full	B	1.7 hours	3%	Sweet Spot		—
55	tokio-rs/mioRust	68.59	100% · Full	B	10.3 hours	21%	Sweet Spot		—
61	kube-rs/kubeRust	68.22	100% · Full	B	14.6 hours	20%	Sweet Spot		—
62	open-telemetry/opentelemetry-rustRust	68.21	100% · Full	B	19.8 hours	21%	Sweet Spot		—
65	seanmonstar/reqwestRust	68.04	100% · Full	B	6.2 hours	31%	Sweet Spot		—
71	TheDan64/inkwellRust	67.82	94% · Ceiling A	B	21.2 hours	0%	Sweet Spot		—
75	koharu-rs/koharuRust	67.68	71% · Ceiling B	B (capped)	8.8 hours	21%	Sweet Spot	⚠	—
80	apache/datafusion-sqlparser-rsRust	67.41	100% · Full	B	2.8 days	25%	Sweet Spot		—
83	pest-parser/pestRust	67.31	89% · Ceiling A	B	12.5 hours	0%	Sweet Spot		—
87	PyO3/pyo3Rust	67.18	88% · Ceiling A	B	11.3 hours	11%	Sweet Spot		—
92	rust-lang/rust-bindgenRust	67.07	100% · Full	B	43.3 hours	28%	Sweet Spot		—
93=	spinframework/spinRust	67.07	77% · Ceiling B	B (capped)	2.4 hours	1%	Sweet Spot		—
97	console-rs/indicatifRust	66.94	94% · Ceiling A	B	7.7 hours	19%	Sweet Spot		—
101	rust-itertools/itertoolsRust	66.78	92% · Ceiling A	B	4.7 hours	30%	Sweet Spot		—
103	chronotope/chronoRust	66.74	85% · Ceiling A	B	4.8 hours	6%	Sweet Spot		—
111	hickory-dns/hickory-dnsRust	66.56	93% · Ceiling A	B	1.2 hours	5%	Sweet Spot		—
115	aya-rs/ayaRust	66.29	100% · Full	B	5.8 hours	24%	Sweet Spot		—
120	rust-lang/logRust	66.24	81% · Ceiling A	B	2.7 hours	0%	Sweet Spot		—
121	ratatui/ratatuiRust	66.19	93% · Ceiling A	B	12.3 hours	35%	Sweet Spot		—
128	gleam-lang/gleamRust	65.94	71% · Ceiling B	B (capped)	21.7 hours	15%	Sweet Spot		—
133	agavra/tuicrRust	65.84	100% · Full	B	22.1 hours	10%	Sweet Spot		—
134=	rust-lang/rustfmtRust	65.84	100% · Full	B	2.7 hours	12%	Sweet Spot		—
153	rhaiscript/rhaiRust	65.29	86% · Ceiling A	B	—	0%	Sweet Spot		—
155	SeaQL/sea-ormRust	65.24	100% · Full	B	11 hours	21%	Sweet Spot	⚠	—
166	rustls/rustlsRust	65.00	93% · Ceiling A	B	2.4 hours	15%	Sweet Spot		—
167	dmtrKovalenko/fffRust	64.89	84% · Ceiling A	B	12.9 hours	2%	Sweet Spot		—
175	rust-lang-nursery/randRust	64.71	94% · Ceiling A	B	9.8 hours	8%	Sweet Spot		—
186	RustAudio/cpalRust	64.46	100% · Full	B	11.2 hours	13%	Sweet Spot	⚠	—
187	aws/aws-lambda-rust-runtimeRust	64.44	94% · Ceiling A	B	21.4 hours	28%	Sweet Spot	⚠	—
195	ProvableHQ/leoRust	64.30	100% · Full	B	14.1 hours	7%	Sweet Spot		—
211	rust-random/randRust	63.99	88% · Ceiling A	B	9.8 hours	8%	Sweet Spot		—
224	rust-lang/cargoRust	63.71	88% · Ceiling A	B	under 0.1 hours	8%	Sweet Spot		—
227	LanRhyme/MicYouRust	63.68	84% · Ceiling A	B	8.7 hours	0%	Nursery		—
230	actix/actix-webRust	63.63	100% · Full	B	11.1 hours	19%	Sweet Spot		—
244	probe-rs/probe-rsRust	63.40	88% · Ceiling A	B	1.2 hours	5%	Sweet Spot		—

#194% · Ceiling A

servo/rust-smallvecRust

Score 79.26 · A (capped)

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

Sweet Spot

#388% · Ceiling A

rust-lang/libcRust

Score 77.20 · A (capped)

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

Sweet Spot

#5100% · Full

rust-lang/cc-rsRust

Score 74.28 · A

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

Sweet Spot

#7100% · Full

diesel-rs/dieselRust

Score 73.72 · A

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

Sweet Spot

⚠

#16100% · Full

wasm-bindgen/wasm-bindgenRust

Score 72.10 · A

First reply (median) 25.3 hours · No reply in 14 days 9%

Sweet Spot

#1994% · Ceiling A

rust-lang/socket2Rust

Score 71.87 · A (capped)

First reply (median) 2.9 hours · No reply in 14 days 0%

Sweet Spot

#2898% · Full

clap-rs/clapRust

Score 70.38 · A

First reply (median) 9.3 hours · No reply in 14 days 6%

Sweet Spot

#3071% · Ceiling B

delta-io/delta-rsRust

Score 70.05 · B (capped)

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

Sweet Spot

#33100% · Full

hyperium/hyperRust

Score 69.81 · B

First reply (median) 16.1 hours · No reply in 14 days 15%

Sweet Spot

⚠

#34100% · Full

tokio-rs/axumRust

Score 69.57 · B

First reply (median) 6.3 hours · No reply in 14 days 19%

Sweet Spot

#35100% · Full

image-rs/imageRust

Score 69.33 · B

First reply (median) 3.7 hours · No reply in 14 days 9%

Sweet Spot

#37100% · Full

quinn-rs/quinnRust

Score 69.20 · B

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

Sweet Spot

#4284% · Ceiling A

numaproj/numaflowRust

Score 69.00 · B

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

Sweet Spot

#4366% · Ceiling B

Keats/validatorRust

Score 68.99 · B (capped)

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

Sweet Spot

#4688% · Ceiling A

tokio-rs/tokioRust

Score 68.95 · B

First reply (median) 16.4 hours · No reply in 14 days 16%

Sweet Spot

#47100% · Full

GuillaumeGomez/sysinfoRust

Score 68.94 · B

First reply (median) 1.7 hours · No reply in 14 days 3%

Sweet Spot

#55100% · Full

tokio-rs/mioRust

Score 68.59 · B

First reply (median) 10.3 hours · No reply in 14 days 21%

Sweet Spot

#61100% · Full

kube-rs/kubeRust

Score 68.22 · B

First reply (median) 14.6 hours · No reply in 14 days 20%

Sweet Spot

#62100% · Full

open-telemetry/opentelemetry-rustRust

Score 68.21 · B

First reply (median) 19.8 hours · No reply in 14 days 21%

Sweet Spot

#65100% · Full

seanmonstar/reqwestRust

Score 68.04 · B

First reply (median) 6.2 hours · No reply in 14 days 31%

Sweet Spot

#7194% · Ceiling A

TheDan64/inkwellRust

Score 67.82 · B

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

Sweet Spot

#7571% · Ceiling B

koharu-rs/koharuRust

Score 67.68 · B (capped)

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

Sweet Spot

⚠

#80100% · Full

apache/datafusion-sqlparser-rsRust

Score 67.41 · B

First reply (median) 2.8 days · No reply in 14 days 25%

Sweet Spot

#8389% · Ceiling A

pest-parser/pestRust

Score 67.31 · B

First reply (median) 12.5 hours · No reply in 14 days 0%

Sweet Spot

#8788% · Ceiling A

PyO3/pyo3Rust

Score 67.18 · B

First reply (median) 11.3 hours · No reply in 14 days 11%

Sweet Spot

#92100% · Full

rust-lang/rust-bindgenRust

Score 67.07 · B

First reply (median) 43.3 hours · No reply in 14 days 28%

Sweet Spot

#93=77% · Ceiling B

spinframework/spinRust

Score 67.07 · B (capped)

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

Sweet Spot

#9794% · Ceiling A

console-rs/indicatifRust

Score 66.94 · B

First reply (median) 7.7 hours · No reply in 14 days 19%

Sweet Spot

#10192% · Ceiling A

rust-itertools/itertoolsRust

Score 66.78 · B

First reply (median) 4.7 hours · No reply in 14 days 30%

Sweet Spot

#10385% · Ceiling A

chronotope/chronoRust

Score 66.74 · B

First reply (median) 4.8 hours · No reply in 14 days 6%

Sweet Spot

#11193% · Ceiling A

hickory-dns/hickory-dnsRust

Score 66.56 · B

First reply (median) 1.2 hours · No reply in 14 days 5%

Sweet Spot

#115100% · Full

aya-rs/ayaRust

Score 66.29 · B

First reply (median) 5.8 hours · No reply in 14 days 24%

Sweet Spot

#12081% · Ceiling A

rust-lang/logRust

Score 66.24 · B

First reply (median) 2.7 hours · No reply in 14 days 0%

Sweet Spot

#12193% · Ceiling A

ratatui/ratatuiRust

Score 66.19 · B

First reply (median) 12.3 hours · No reply in 14 days 35%

Sweet Spot

#12871% · Ceiling B

gleam-lang/gleamRust

Score 65.94 · B (capped)

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

Sweet Spot

#133100% · Full

agavra/tuicrRust

Score 65.84 · B

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

Sweet Spot

#134=100% · Full

rust-lang/rustfmtRust

Score 65.84 · B

First reply (median) 2.7 hours · No reply in 14 days 12%

Sweet Spot

#15386% · Ceiling A

rhaiscript/rhaiRust

Score 65.29 · B

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

Sweet Spot

#155100% · Full

SeaQL/sea-ormRust

Score 65.24 · B

First reply (median) 11 hours · No reply in 14 days 21%

Sweet Spot

⚠

#16693% · Ceiling A

rustls/rustlsRust

Score 65.00 · B

First reply (median) 2.4 hours · No reply in 14 days 15%

Sweet Spot

#16784% · Ceiling A

dmtrKovalenko/fffRust

Score 64.89 · B

First reply (median) 12.9 hours · No reply in 14 days 2%

Sweet Spot

#17594% · Ceiling A

rust-lang-nursery/randRust

Score 64.71 · B

First reply (median) 9.8 hours · No reply in 14 days 8%

Sweet Spot

#186100% · Full

RustAudio/cpalRust

Score 64.46 · B

First reply (median) 11.2 hours · No reply in 14 days 13%

Sweet Spot

⚠

#18794% · Ceiling A

aws/aws-lambda-rust-runtimeRust

Score 64.44 · B

First reply (median) 21.4 hours · No reply in 14 days 28%

Sweet Spot

⚠

#195100% · Full

ProvableHQ/leoRust

Score 64.30 · B

First reply (median) 14.1 hours · No reply in 14 days 7%

Sweet Spot

#21188% · Ceiling A

rust-random/randRust

Score 63.99 · B

First reply (median) 9.8 hours · No reply in 14 days 8%

Sweet Spot

#22488% · Ceiling A

rust-lang/cargoRust

Score 63.71 · B

First reply (median) under 0.1 hours · No reply in 14 days 8%

Sweet Spot

#22784% · Ceiling A

LanRhyme/MicYouRust

Score 63.68 · B

First reply (median) 8.7 hours · No reply in 14 days 0%

Nursery

#230100% · Full

actix/actix-webRust

Score 63.63 · B

First reply (median) 11.1 hours · No reply in 14 days 19%

Sweet Spot

#24488% · Ceiling A

probe-rs/probe-rsRust

Score 63.40 · B

First reply (median) 1.2 hours · No reply in 14 days 5%

Sweet Spot