Dev tools · alternatives · 2026

24 alternatives to Nucleo

Icon Organizer & Icon Library

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Nucleo launched in 2015; newer entries below may have overtaken it.

1. 1
   Nucleo 3▲120

   Icon manager for Mac and Windows

   2021 · nucleoapp.com · its alternatives →

2. 2I1
   Iconduck – 100k open source icons, downloadable and searchable▲528

   2021 · iconduck.com · its alternatives →

3. 3
   3dicons▲538

   Open source 3D icon library with over 1440+ icons

   2021 · 3dicons.co · its alternatives →

4. 4
   100k Open Source Icons by Iconshock▲485

   Every open source icon on the internet, tagged & optimized

   2021 · iconshock.com · its alternatives →

5. 5
   MynaUI Icons – 1180 Beautifully Crafted Open Source Icons▲105

   Beautifully crafted open source icons for your next project.

   2024 · mynaui.com · its alternatives →

6. 6
   Futuramo Icons▲186

   More than 46,000 vector icons for different OS

   2017 · futuramo.com · its alternatives →

7. 7
   Icon buddy▲526

   Discover thousands of free, high-quality icons from popular collections like Material Design, Feather, Heroicons, and more. Download SVG and PNG icons for your projects.

   2023 · iconbuddy.com · its alternatives →

8. 8
   Iconjar▲289

   Organize, search and use icons the easy way

   2015 · geticonjar.com · its alternatives →

9. 9
   ICONZ▲134

   Premium library of 3D icons

   2020 · iconz.design · its alternatives →

10. 10
    Iconduck▲322

    113,524 free open source icons & illustrations

    2021 · freepik.com · its alternatives →

11. 11
    Custom MacOS Icon Pack▲168

    Unify your dock with 46 beautiful replacement app icons

    2022 · krijnrijshouwer.com · its alternatives →

12. 12
    ICONZ 2▲215

    Massive library of 3D icons for all of your projects.

    2022 · iconz.design · its alternatives →

13. 13
    Slim Icons▲127

    Free and open source icon library featuring 100+ icons

    2023 · slimicons.com · its alternatives →

14. 14
    Unpredictably.io▲380

    Over 1200 classy 3D icons for your design project

    2023 · 360connect.io · its alternatives →

15. 15
    Iconhub▲163

    Custom and own beautiful icons in no time

    2020 · iconhub.io · its alternatives →

16. 16
    1000 Detailed Creative Icons▲181

    Carefully designed icons with tons of fine details

    2019 · roundicons.com · its alternatives →

17. 17
    Iconoir 7.0.0▲328

    An open-source icons library with 1500+ icons and growing

    2023 · iconoir.com · its alternatives →

18. 18
    Milk Icons▲204

    Beautifully designed vector icons

    2019 · milkicons.com · its alternatives →

19. 19
    Unicons Solid▲154

    1111 customizable solid icons library

    2020 · iconscout.com · its alternatives →

20. 20
    IconScout Unicons▲145

    A library filled with 4500+ SVG icons and icon fonts

    2023 · iconscout.com · its alternatives →

21. 21
    Atlas Icons▲188

    2,300 Free, open source pixel perfect icons

    2022 · its alternatives →

22. 22
    Icons8 Developer API▲217

    500k+ design assets, now available on-demand

    2020 · developers.icons8.com · its alternatives →

23. 23
    Icon 54▲185

    5,000 icons for iOS, android, websites & apps 🚀

    2018 · icon54.com · its alternatives →

24. 24
    Delicious App Icons▲100

    Give your MacOS app the icon it deserves

    2022 · superfounder.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →