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Tools · utility libraries · Alternatives

Retrofit alternatives

As of 4 November 2026, 39 utility libraries are named by companies instead of Retrofit: RxJS by 434 companies, Pydantic by 366, asyncio by 228.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Retrofit, companies in postings
165
Most used alternative
RxJS · 434
Fastest hiring, 90 days
RxJS
Alternatives ranked
39
Catalogue
T-1.0.1-prov
01Ranked by evidence

utility libraries companies choose instead of Retrofit

Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.

#AlternativeCompaniescompaniesvs Retrofitpostings, 90 dCompare
1
RxJSReactiveX
434263%1,052Retrofit vs RxJS →
2
PydanticPydantic
366222%837Retrofit vs Pydantic →
3
asyncioPython Software Foundation
228138%568Retrofit vs asyncio →
4
FFmpegFFmpeg
197119%348Retrofit vs FFmpeg →
5
GStreamerGStreamer
194118%326Retrofit vs GStreamer →
6
GSAPGreenSock
172104%315Retrofit vs GSAP →
7
JinjaPallets
172104%294Retrofit vs Jinja →
8
HiltGoogle
168102%260Retrofit vs Hilt →
9
DaggerGoogle
165100%510Retrofit vs Dagger →
10
BoostBoost
15393%330Retrofit vs Boost →
11
RxJavaReactiveX
13381%197soon
12
DPDKLinux Foundation
12274%412soon
13
11872%428soon
14
ZodZod contributors
11570%391soon
15
AxiosAxios contributors
8552%288soon
16
7948%83soon
17
Boto3Amazon Web Services
7948%169soon
18
OkHttpSquare
7847%133soon
19
ScrapyZyte
7445%84soon
20
7042%174soon
21
6942%99soon
22
TokioTokio contributors
6741%142soon
23
RequestsPython Software Foundation
6338%117soon
24
Video4Linux2Linux Foundation
6338%109soon
25
Apache Log4jApache Software Foundation
6036%108soon
26
PillowPython Software Foundation
4930%92soon
27
Prototype.jsPrototype Core Team
4225%56soon
28
RestSharp
4125%62soon
29
JacksonFasterXML
3119%67soon
30
aiohttpaio-libs
2817%40soon
31
Project LombokProject Lombok
2817%60soon
32
EffectEffectful Technologies
2716%32soon
33
Autofac
2113%37soon
34
LodashOpenJS Foundation
2012%22soon
35
MoshiSquare
1710%23soon
36
Netflix HystrixNetflix
159%37soon
37
Kotlin FlowJetBrains
148%263soon
38
MustacheMustache project
148%24soon
39
ZIO
138%27soon
4,049 companies name a utility librarie in their postings.

Filter on any of them, or on Retrofit users who also name an alternative, and open the person who owns the stack.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

39 utility libraries are named by companies instead of Retrofit: RxJS by 434 companies, Pydantic by 366, asyncio by 228, measured from their own job postings. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/retrofit/alternatives)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • RankingCompanies whose own postings name the tool as the team's system, from the Breaknorm technology catalogue T-1.0.1-prov. Editions are folded into their parent product.
  • 90-day postingsOpen postings first seen or posted in the last 90 days that name the tool.
  • Not includedRatings, prices, feature claims, sponsored positions.
FAQ

Retrofit alternatives: questions

What is the most used alternative to Retrofit?

RxJS: 434 companies name it in their own job postings, against 165 for Retrofit.

How is this list ranked?

By the number of companies whose own postings name the tool as the team's system (Breaknorm technology catalogue T-1.0.1-prov), then by postings in the last 90 days. No ratings, no vendor input, no sponsored positions.

Does this say which is better?

No. It says who uses what, by company size, industry and country, so you can see which tools companies like yours choose. For features and prices, read the vendors.

Can I get the companies on any of these?

Yes: click the tool, see the first 20 companies, and sign up for the full list with verified e-mails. Counting is free.

Companies and people

Get these companies your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every company on Retrofit
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