Polars

Polars is used at run time in 177 crates (of which 33 optionally). It is a direct run-time dependency in 144 crates. It's used only as a dev dependency in 8 crates (of which 7 directly).

Number of dependers	Polars version	Downloads/month
17	0.40.0	19K
21	0.39.2	30K
30	0.38.3	3.9K
8	0.37.0	2.4K
15	0.36.2	4.3K
15	0.35.4	4.1K
4	0.34.2	2.0K
4	0.33.2	3.6K
8	0.32.1	17K
3	0.31.1	100
9	0.30.0	450
1	0.29.0	62
7	0.28.0	350
7	0.27.2	1.6K
3	0.26.1	2.1K
8	0.25.1	850
4	0.24.3	230
2	0.22.8	54
3	0.21.1	39
1	0.20.0	54
2	0.19.1	23
2	0.18.0	85
4	0.17.0	100
3	0.16.0	39
2	0.15.1	85
2	0.14.8	160

Depender (with downloads and own rev deps)			Polars version
34K	4	pyo3-polars		^0.40.0
16K	13	duckdb	optional	^0.35.4
4.6K		sdf-df-guest		^0.39.2
4.6K		RustQuant		^0.39.2
12K	14	rust_xlsxwriter	optional	^0.38.3
2.3K		etradeTaxReturnHelper		^0.35.4
6.6K	3	faer-ext	optional	^0.40
1.1K	1	dms-cdc-operator		^0.39.2
1.0K		tabiew		^0.39.2
800		liboxen		^0.40.0
650	2	anndata		^0.40
600		nu_plugin_polars		^0.39
480		pyanndata		^0.40
420		drive-image-searcher		^0.39.2
370		dfsql		^0.40
320		jlcpcb-to-parquet		^0.37.0
300		ix-match		^0.40.0
270		sumi		^0.32.0
230	1	pregel-rs		^0.30.0
220		polars_excel_writer		^0.37.0
1.1K	1	lancedb	optional	>=0.37, <0.40.0
180		rsi		^0.35.0
170		altrios-core		^0.32
160	4	cryo_freeze		^0.36.2
160		tushare		^0.39.2
160		polars-cli		^0.40
160		vaughan		^0.39.2
160	2	cryo_cli		^0.36.2
150	1	banyc_polars_util		^0.40
150		nersent_pace		^0.27.2
140		dply		^0.40.0
130		fcs_rs		^0.39.2
130	1	medmodels-core		^0.39.2
120		queryer-sql-polars		^0.40.0
120	1	lace		^0.36
120		DeepIron		^0.35.4
110	9	strafe-type		~0.38
100	1	wikidata-rs		^0.30.0
		rrrs		^0.38.1
		kalast		^0.35
		haptk		=0.33.2
	2	arbiter-core		^0.38.3
		chapaty		^0.33.2
		neural_networks_rust		^0.28.0
	5	r2rs-rfit		~0.38
	4	r2rs-mass		~0.38
		punchcard		^0.36.2
		coursehku		^0.36.2
		printnanny-gst-plugin		^0.24
	1	roers		^0.34.2
	2	r2rs-datasets		~0.38
		causal-hub		^0.27
	1	iotdb		^0.19.1
		digital-logbook		^0.35.4
		bibjoin		^0.16
		rboss		^0.37
		alpine-core		^0.32.1
		pigeon-rs		^0.32
		pqcat		^0.39.2
		blutils		^0.30
		mempool-dumpster		^0.32.1
		rusty-talib		^0.33.2
	3	lace_codebook		^0.36
		qshare		^0.27.2
		callysto-avro		^0.36
		csv_stacker		^0.25.1
		pfconv		^0.27.2
		queryer		^0.15
		astrors		^0.38.3
		fast-csv-to-json		^0.28.0
		snp500_data		^0.31.1
550		qsv	optional	^0.40
	1	redgold-data		^0.38.3
	3	strafe-datasets		~0.38
		pschema-rs		^0.29.0
		viewrs		^0.30.0
		polars-ad-hoc		^0.27.2
	1	etop-format		^0.35.4
		polars-ai		^0.34.2
	2	strafe-plot		~0.38
		cryo_python		^0.36.2
		geopolars		^0.24
		pmrs		^0.22
		polars-mongo		^0.24.0
		meteomatics		^0.21.1
		moabdb		^0.25.1
	1	etop-tui		^0.35.4
	1	rinfluxdb-polars		^0.16
		ej		^0.39
		nse		^0.21.0
		tech_analysis		^0.32.1
		ezel		^0.20.0
		oxe		^0.31.1
		polars_gdal		^0.26
	2	ultibi_core		^0.25.1
		delta-sharing		^0.22.8
		frm		^0.38.3
		qapro-rs		^0.18.0
		similarity-metrics		^0.25.1
		bank-csv		^0.37.0
		cs-fetcher		^0.27.2
		nasdaq		^0.26.1
	3	blutils-core		^0.37
		plotxy		^0.25.1
		reilly		^0.21
	1	grangers		^0.34.2
		miniboosts		^0.35.4
	2	etop-core		^0.35.4
		finalytics		^0.33.2
		h3ron-polars		^0.32
		magpie-bird		^0.35.4
		polars-helpers		^0.36.2
	1	rust-cdc-validator		^0.39.2
	2	toolstr		^0.35.4
		trading_sessions		^0.35.0
		RustyTrader		^0.38.0
		lbl-cli		^0.38.2
	2	lbl-core		^0.38.2
		lbl-python		^0.38.2
		myr		^0.31.1
460		nu-cmd-dataframe	optional	^0.39
280	2	hdv	optional	^0.40
210	1	connectorx	optional	^0.32
170		myval	optional	^0.28.0
160	1	gmt_dos-clients_m2-ctrl	optional	^0.35.4
150		ssql	optional	^0.39.2
110		qmachina	optional	=0.36.2
		granges	optional	^0.37.0
		arrow_util	optional	^0.28.0
	1	automl	optional	^0.17.0
		duckdb-quan	optional	^0.30.0
		jiro_nn	optional	^0.28.0
		lightgbm2	optional	^0.26
		lightgbm3	optional	^0.30
		mhgl	optional	^0.39.2
	2	parse-monitors	optional	^0.18.0
		partiql-rs	optional	^0.14.2
		piqel	optional	^0.14.2
		prql-query	optional	^0.24.2
	1	rhai-sci	optional	^0.27.2
		temex	optional	^0.30.0
	1	vega_lite_4	optional	^0.28
		vega_lite_5	optional	^0.28
1.5K	2	graph	dev	^0.25.1
850		anise	dev	^0.40.0
700		hftbacktest	dev	^0.40.0
150	2	route_verification	dev	^0.35
130		perpetual	dev	^0.40
	7	r2rs-stats	dev	~0.38
		polars-row-derive	dev	^0.39.1
		s2p	dev	^0.30.0