Alternatives

Products that do what UpgradeStacks does

The complete stack for every type of person

1. 1
   SiteStacks▲530

   Discover the complete tech stack of any website

   2017

2. 2
   Stacklist▲437

   The best business tools for growing your startup.

   2015

3. 3
   SaaS Marketing Stack▲256

   500+ Best free & paid tools for SaaS marketers

   2022

4. 4
   Growth Calculators▲201

   20+ free calculators for marketers & startups

   2023

5. 5
   StartupStack▲156

   Find the startups that use your favorite tech stack

   2014

6. 6
   ToolStack OS▲7

   Your All-in-One Freelancer Toolkit.

   Nov 2025

7. 7
   CareerStack▲25

   Find collaborators and build your tech project in real-time.

   2025

8. 8
   AppStackBuilder▲4

   Discover the best tools to build your startup within budget

   Mar 2026 · appstackbuilder.com

9. 9
   aistacks - AI Tool Stacks for Creators▲4

   Pre-built AI toolkits for YouTubers, devs, writers & more

   Mar 2026 · aistacks.app

10. 10
    Upgrade by MockupShelf▲4

    12 modules. Your whole freelance business in one tab.

    Jun 2026 · upgrade.mockupshelf.com

11. 11
    The Stack Analyst▲1

    22 Free Online Tools for Developers, Marketers & Creators

    Mar 2026 · thestackanalyst.com

12. 12IB
    I built a free AI tool that picks your SaaS tech stack based on budget▲6

    Hey HN, I kept seeing the same question asked over and over in startup communities: "What tech stack should I use for my SaaS?" The answers were always scattered, opinionated, and never accounted for budget or team size. So I built appstackbuilder.com — you tell it your monthly budget, app type, team size, and skill level, and it recommends a full stack (auth, database, hosting, payments, analytics, etc.) with actual pricing for each tool. A few things that make it different from generic advice: - It accounts for team size when calculating costs (e.g. Clerk charges per user, Linear charges…

    Feb 2026 · appstackbuilder.com

13. 13
    FounderStackHub▲7

    AI startup perks matched to your stack

    May 2026

14. 14
    FlowStack pro▲2

    Tech stack management tool that tracks all your apps & tools

    Dec 2025

15. 15
    Global Business Toolkit▲12

    Free business tools & calculators

    Oct 2025

16. 16
    CareerStack▲2

    The ultimate AI toolkit directory for every profession

    Jun 2026 · careerstack-ai.com

17. 17
    CrispToolHub▲8

    65+ free browser tools. No sign-up. No limits. Ever.

    Jun 2026 · crisptoolhub.com

18. 18
    SalesTap▲5

    13 free AI + calculator sales tools. No signup, ever.

    Jul 2026 · salestap.com

19. 19
    Swaposaur▲1

    Find your perfect AI tool stack — by profession, for free

    May 2026 · swaposaur.com

20. 20
    ToolStackDaily▲3

    Your daily toolkit for work, productivity, and life

    Jun 2026 · toolstackdaily.com

21. 21
    ToolEleven▲8

    251 free browser tools. No signup, no subscription, ever.

    Jul 2026 · tooleleven.com

22. 22
    Stack Online Tools▲9

    Fast, free all-in-one utilities for text, code, SEO and more

    Nov 2025

23. 23
    PracticeStacks▲3

    Platform for lead capture, proposals, onboarding & billing.

    Mar 2026 · practicestacks.in

24. 24
    WorkUtilities▲3

    99+ free browser tools — no uploads, no signup, ever

    Jun 2026 · workutilities.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →