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Product Hunt Alternatives for Micro-SaaS: Borrow Distribution From a Bigger Platform

A micro-SaaS usually serves one narrow job, so the best free alternatives to Product Hunt are marketplaces where people with that job already shop: the Shopify App Store for merchants, Slack’s Marketplace for teams, the Chrome Web Store for browser tools and a Zapier integration for workflow tools. Add Indie Hackers for conversation and SideProjectors for a possible exit. Each marketplace has a review that shapes your product.

Why would a tiny SaaS launch where someone else’s customers are?

A micro-SaaS has one feature set, one buyer and a small price. Paid advertising rarely makes sense at that size, and a launch-day crowd rarely contains the buyer. What does work is being the obvious answer inside a platform your buyer already uses: the Shopify merchant looking for a fix to a checkout problem, the team admin searching Slack for a standup tool. The platform brings the audience; you bring the narrow answer.

The price is dependence. Every marketplace below has requirements that shape your product, and each can change its rules. Facts here come from each platform’s own pages, as read on 13 November 2026.

Seven free doors for a small SaaS

01 Shopify App Store

The listing for apps that extend Shopify, with a set of eligibility requirements.

Docs say
Distribution decides who can install your app, and building for the App Store is a different job from building for one organisation
Billing
Its requirements say to charge through Shopify App Pricing and to let merchants change plans without contacting you

Decide on the Shopify route before you write the billing code, since the store expects its own billing and plan changes handled in the app. It is the best fit for a micro-SaaS whose whole value is one merchant task.

Visit Shopify App Store (shopify.dev) →

02 Slack Marketplace

The listing for Slack apps, with a review against Slack’s requirements.

Rule
Apps meant for commercial distribution should be submitted and approved for listing
Early route
Unlisted distributed apps can serve early customers

The unlisted route lets you get a few real teams using the app before you face a review. Do that first, collect what they report and then submit.

Visit Slack Marketplace (api.slack.com) →

03 Chrome Web Store

The store for Chrome extensions, a common shape for a micro-SaaS.

Cost
A one-time developer registration fee, so it is not free
Ranking
Its docs say ratings and downloads against uninstalls feed the ranking

An extension front end with a small paid back end is a classic micro-SaaS pattern. The registration fee is the only entry cost named on the page we read. Our Chrome Web Store checklist covers the privacy fields.

Visit Chrome Web Store (developer.chrome.com) →

04 Zapier integration

A route to connect your product to the apps Zapier supports.

Cost to build
Free to build, per its page
What we did not read
Its review steps

For a tool that moves data between services, an integration is a doorway that works while you sleep. Plan to maintain it when your API changes.

Visit Zapier integration (zapier.com) →

05 Indie Hackers

A founder community with a forum and product pages.

What we could read
Nothing; it refused our automated check

Micro-SaaS makers swap numbers there. Post what you learned about pricing a narrow tool; the replies are your market research.

Visit Indie Hackers (indiehackers.com) →

06 SideProjectors

A marketplace where, its page says, people sell, buy and show off side projects.

Use
A place to showcase or, later, sell a small product

Not a launch place so much as a planning tool: a small SaaS is easier to hand over when its code and billing are documented. Keep that in mind while you build.

Visit SideProjectors (sideprojectors.com) →

07 Post your build ideas

Our own free board. We run it; its audience is small.

Setup
No account; one emailed link
Link
The outbound link is a normal followed link

It is a public page you control, useful as the URL to give a marketplace reviewer. Browse shopping ideas for small, specific gaps.

Open Post your build ideas →

What does each door ask before you are in?

Marketplace gates for a micro-SaaS (read 13 November 2026)
DoorGateShapes your product by
Shopify App StoreEligibility requirementsBilling, plan changes, performance
Slack MarketplaceReview against Slack’s requirementsBeing a real Slack integration
Chrome Web StoreRegistration fee and reviewPermissions, privacy fields, ratings
ZapierNot confirmedA stable API

Pick the one where your buyer is already shopping. The micro-SaaS launch playbook gives a dated schedule, and where to launch a micro-SaaS lists more places.

When is Product Hunt a fair choice for a micro-SaaS?

When the tool is broad enough that a crowd of tinkerers could use it, such as a link shortener or a screenshot helper. For a narrow merchant or team tool, the crowd is the wrong audience. Its pages refused our automated check, so we claim only its basics. See Product Hunt alternatives for the general comparison.

Frequently asked questions

Where should a micro-SaaS launch first?

Where its buyer already shops: the Shopify App Store, Slack’s Marketplace, the Chrome Web Store or Zapier, depending on what it extends. Add a post in a founder community for conversation. A launch ranking matters less for a narrow tool.

Is the Shopify App Store free to list on?

We did not read a listing fee on the pages we checked. They do set eligibility requirements, including charging through Shopify’s own billing. Confirm current costs and revenue terms in Shopify’s partner documentation before you build.

Can I test a Slack app without listing it?

Yes. Slack’s docs describe unlisted distributed apps for early customers, while apps meant for commercial distribution should be submitted and approved for the Marketplace. Some workspaces only install listed apps.

Is a Zapier integration really free?

Its developer page says it is free to build and gives access to Partner Program benefits. We did not read the review steps or any limits, so check them before you plan around the integration.

Post your build ideas publishes this page and runs a free launch board that competes with some of the sites it names. Facts about other sites came from their own pages on the date shown above; terms, queues and prices change, so confirm on their sites before you decide. About the publisher.