1
Also covers developer tools and frameworks · open source
Prediction with gradient boosting regression tree models is implemented in leaves, a Go software library.
Alternatives
The Best Libraries.io Alternatives in 2026
24 alternatives3 free · 1 open source
Looking for something like Libraries.io? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 1 are open source.
About Libraries.iolibraries.io
VisitLibraries.io helps developers discover open-source packages, modules, and frameworks across software ecosystems.
Top picks at a glance
First suggestionleavesPrediction with gradient boosting regression tree models is…Free or freemium optionunpkg.aiunpkg.ai creates JavaScript ESM modules on demand with…Another optionvintaA curated Python list helps readers find tools for…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | leaves | — | Yes | — |
| 2 | vinta | — | Not stated | — |
| 3 | StackShare | — | Not stated | Web |
| 4 | astropy | — | Not stated | Web |
| 5 | mlxtend | — | Not stated | — |
| 6 | Accord.NET | — | Not stated | Web |
| 7 | WebDNA | — | Not stated | Web |
| 8 | unpkg.ai | Free | Not stated | Web |
| 9 | Builder | — | Not stated | Linux, macOS, Web |
| 10 | InstallForge | — | Not stated | Web, Windows |
All Libraries.io alternatives
2
vinta
github.com/vinta/awesome-pythonAlso covers developer tools and frameworks
A curated Python list helps readers find tools for particular tasks and use cases.
3
StackShare
stackshare.ioAlso covers developer tools · same kind of online tool
StackShare helps developers discover software tools and libraries used by companies, alongside developer and AI tools.
4
astropy
astropy.orgAlso covers developer tools
Astropy provides a core Python package for astronomy and an ecosystem of affiliated packages.
5
mlxtend
github.com/rasbt/mlxtendAlso covers developer tools
mlxtend adds helper modules for Python data analysis and machine learning libraries.
6
Accord.NET
accord-framework.netAlso covers developer tools
Accord.NET combines machine learning with audio and image processing libraries in a C# framework.
7
WebDNA
webdna.xtra.wtfAlso covers developer tools
Analyze a website’s branding and technology stack with WebDNA, which extracts logos, colors, frameworks, and libraries.
8
Also covers developer tools · same kind of online tool
unpkg.ai creates JavaScript ESM modules on demand with language models, without signup or API keys.
9
Builder
electron.buildAlso covers developer tools · same kind of online tool
electron-builder packages Electron applications for distribution and supports automatic updates.
10
InstallForge
installforge.netAlso covers developer tools · same kind of online tool
InstallForge creates setup packages for Windows applications through a free setup creation tool.
11
ELKI
elki-project.github.ioAlso covers developer tools · same kind of online tool
For data mining research, ELKI provides an open-source Java framework with algorithms and index structures for knowledge discovery.
12
Also covers developer tools · same kind of online tool
Search more than 100 technology references in DevDocs, an offline documentation browser for developers.
13
codebeautify
codebeautify.orgAlso covers developer tools · same kind of online tool
Code Beautify offers online tools for formatting, validating, viewing, and converting developer files and data.
14
Also covers developer tools · same kind of online tool
HandyAI offers developer utilities for token counting, prompt analysis, JSON tool use conversion, and cost calculation.
15
Responsively
responsively.appAlso covers developer tools · same kind of online tool
Responsively App helps developers inspect responsive web designs in a browser built for device previews.
16
Million
million.devAlso covers developer tools · same kind of online tool
Million builds open-source developer tools, datasets, and reinforcement learning environments for web and coding agents.
17
Free Developer Stuff
freestuff.devAlso covers developer tools · same kind of online tool
Free Developer Stuff curates free tools and services developers can use for projects and prototypes.
18
ChooseALicense
choosealicense.comAlso covers developer tools · same kind of online tool
Choose a License offers guidance to help developers select an open-source license for a project.
19
CodeImage
codeimage.devAlso covers developer tools · same kind of online tool
CodeImage helps developers organize code snippets and create shareable screenshots of source code.
20
Tidyverse
tidyverse.orgAlso covers developer tools
The tidyverse is an integrated collection of R packages for data science.
21
LangChain Docs
reference.langchain.com/pythonAlso covers developer tools
LangChain’s reference docs cover packages for LangChain, LangGraph, agents, LangSmith, and integrations.
22
DLib
dlib.net/imaging.htmlAlso covers developer tools
dlib provides C++ libraries for image processing, machine learning, and related algorithms.
23
Web Dev Checklist
toptal.com/developers/webdevchecklistAlso covers developer tools · same kind of online tool
The Web Developer Checklist helps teams review best practices before launching a website.
24
ImHex
imhex.werwolv.netAlso covers developer tools · same kind of online tool
Analyze binary data and use pattern language or disassembly in ImHex, an open-source hex editor for reverse engineers and developers.
No alternatives match this filter.
Alternatives to similar tools
Responsively24 alternativesFree Developer Stuff24 alternativesTidyverse24 alternativesvinta24 alternativesmlxtend24 alternativesDevDocs24 alternatives
TopicDeveloper Tools · 423 sites Best-of list8 Best Regex Testing Tools for Matching and Understanding PatternsBest-of list8 Best Documentation Site Generators for Product and Project DocsBest-of list8 Best Free Git GUI Clients in 2026 ListingLibraries.io details
What is the best alternative to Libraries.io?
Based on features, tags and platforms, the closest alternatives to Libraries.io are leaves, vinta, and StackShare.
Is there a free alternative to Libraries.io?
Yes. unpkg.ai, DevDocs, and HandyAI are free or offer a free plan.
Are there open-source alternatives to Libraries.io?
Yes: leaves.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative