Polars

Polars is used at run time in 159 crates (of which 30 optionally). It is a direct run-time dependency in 128 crates. It's used only as a dev dependency in 6 crates (of which 5 directly).

Number of dependers	Polars version	Downloads/month
4	0.39.2	0
35	0.38.3	23K
16	0.37.0	13K
16	0.36.2	14K
15	0.35.4	5.0K
4	0.34.2	1.1K
5	0.33.2	5.1K
7	0.32.1	4.7K
3	0.31.1	29
9	0.30.0	500
1	0.29.0	0
7	0.28.0	800
7	0.27.2	1.7K
3	0.26.1	500
8	0.25.1	380
4	0.24.3	950
2	0.22.8	160
3	0.21.1	0
1	0.20.0	0
2	0.19.1	0
2	0.18.0	290
4	0.17.0	0
3	0.16.0	47
2	0.15.1	89
2	0.14.8	0

Depender (with downloads and own rev deps)			Polars version
16K	4	pyo3-polars		^0.39.0
15K	13	duckdb	optional	^0.35.4
14K	12	rust_xlsxwriter	optional	^0.38.3
2.8K		RustQuant		^0.38.1
2.0K		etradeTaxReturnHelper		^0.35.4
1.7K		liboxen		^0.38.3
900	2	arbiter-core		^0.37.0
800	3	blutils-core		^0.37
490		altrios-core		^0.32
430		astrors		^0.38.3
1.7K	1	faer-ext	optional	^0.38
380	9	strafe-type		~0.38
380		rsi		^0.35.0
370		trading_sessions		^0.35.0
360	4	r2rs-mass		~0.38
350	5	r2rs-rfit		~0.38
350	2	r2rs-datasets		~0.38
320	1	redgold-data		^0.38.3
310	2	toolstr		^0.35.4
310	2	strafe-plot		~0.38
310	3	strafe-datasets		~0.38
1.2K	2	nu-cmd-dataframe	optional	^0.37
230		harness-cli		^0.38.1
200		frm		^0.38.3
190	2	anndata		^0.37
160		nersent_pace		^0.27.2
160		finalytics		^0.33.2
150		dfsql		^0.39
140		pyanndata		^0.37
850		qsv	optional	^0.38
120		pigeon-rs		^0.32
120		polars-cli		^0.38
		dply		^0.38.0
	1	etop-format		^0.35.4
		tech_analysis		^0.32.1
		bibjoin		^0.16
		kalast		^0.35
	4	cryo_freeze		^0.36.2
	2	etop-core		^0.35.4
		jlcpcb-to-parquet		^0.37.0
		polars_excel_writer		^0.37.0
	1	etop-tui		^0.35.4
		haptk		=0.33.2
	2	cryo_cli		^0.36.2
		miniboosts		^0.35.4
		genimtools		^0.35.4
	1	lace		^0.36
		snp500_data		^0.31.1
		meteomatics		^0.21.1
	1	iotdb		^0.19.1
	3	lace_codebook		^0.36
		lbl-cli		^0.38.2
	2	lbl-core		^0.38.2
		mempool-dumpster		^0.32.1
	1	grangers		^0.34.2
		lbl-python		^0.38.2
		viewrs		^0.30.0
		geopolars		^0.24
		neural_networks_rust		^0.28.0
		rrrs		^0.38.1
		digital-logbook		^0.35.4
		moabdb		^0.25.1
	1	roers		^0.34.2
		polars-ai		^0.34.2
		coursehku		^0.36.2
		cryo_python		^0.36.2
		magpie-bird		^0.35.4
		callysto-avro		^0.36
	2	ultibi_core		^0.25.1
		chapaty		^0.33.2
		cs-fetcher		^0.27.2
		polars-mongo		^0.24.0
		h3ron-polars		^0.32
		pfconv		^0.27.2
		pmrs		^0.22
	1	wikidata-rs		^0.30.0
		fast-csv-to-json		^0.28.0
		nasdaq		^0.26.1
		polars-helpers		^0.36.2
		polars-ad-hoc		^0.27.2
		blutils		^0.30
	1	rinfluxdb-polars		^0.16
		queryer		^0.15
		similarity-metrics		^0.25.1
		causal-hub		^0.27
		ezel		^0.20.0
		myr		^0.31.1
	1	pregel-rs		^0.30.0
		rusty-talib		^0.33.2
		bank-csv		^0.37.0
		delta-sharing		^0.22.8
		plotxy		^0.25.1
		polars_gdal		^0.26
		csv_stacker		^0.25.1
		oxe		^0.31.1
		qapro-rs		^0.18.0
		reilly		^0.21
		nse		^0.21.0
		alpine-core		^0.32.1
		pschema-rs		^0.29.0
		punchcard		^0.36.2
		printnanny-gst-plugin		^0.24
		qshare		^0.27.2
		rboss		^0.37
		ej		^0.39
		DeepIron		^0.35.4
		RustyTrader		^0.38.0
330	1	connectorx	optional	^0.32
210	1	automl	optional	^0.17.0
120		myval	optional	^0.28.0
110	1	gmt_dos-clients_m2-ctrl	optional	^0.35.4
110		qmachina	optional	=0.36.2
		granges	optional	^0.37.0
		lightgbm3	optional	^0.30
	1	vega_lite_4	optional	^0.28
		arrow_util	optional	^0.28.0
		duckdb-quan	optional	^0.30.0
		jiro_nn	optional	^0.28.0
		lightgbm2	optional	^0.26
	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
		ssql	optional	^0.33.2
		temex	optional	^0.30.0
		vega_lite_5	optional	^0.28
1.4K	2	graph	dev	^0.25.1
1.2K		anise	dev	^0.38.1
350	7	r2rs-stats	dev	~0.38
340	2	route_verification	dev	^0.35
		s2p	dev	^0.30.0
		polars-row-derive	dev	^0.39.1