If you're building in public, you've probably cobbled together a mix of tools: threads on Twitter/X, posts on Reddit, a Notion doc nobody reads. That's the default, and it works until someone finds you three months in and has no idea what you've been building.
Most build-in-public tools share the same blind spot: they're built around you, not your project. X and Reddit are designed to surface the loudest and most recent voices. Your project's full story, the early decisions, the pivots, the milestones, the setbacks, isn't something they were designed to preserve.
This guide covers every major tool used for building in public in 2026, honestly. What each one actually does well, where it falls short, and what the real tradeoffs look like. No pretending any single platform solves everything.
What a build-in-public tool actually needs to do
Before comparing tools, it helps to be precise about what building in public actually requires. Most platforms fail because they optimize for the wrong thing:
- Distribution — reaching new people with your updates
- Permanence — keeping your story intact so anyone who discovers you later can read the full arc
- Project-centricity — building an audience around your project, not just around you as a personality
X and Reddit are great at distribution but terrible at permanence. A thread you posted in March is gone by April, buried in the feed or downvoted off the front page, invisible to someone who discovers you in August. More importantly, they're built to surface you as a creator, not the specific project you're building.
A good build-in-public tool needs all three: reach, a permanent archive of the work, and a way for people to follow the project's story rather than just your latest post. Most tools handle one of those well. Very few handle more than that.
Alongly — the dedicated build-in-public app
Alongly is the only app built specifically for building in public. You create a Journey, a named public timeline for any project, and post updates with photos, videos, or text as you make progress. Every update stacks chronologically and stays permanently visible. Someone who discovers your project six months in can read the whole build from day one.
What makes it different is that Alongly is built around your project, not you as a creator. Followers follow the Journey. They see milestones, feedback, setbacks, and progress tied to a specific piece of work, not a general feed of everything you've ever posted. That focus matters because someone interested in your SaaS doesn't want to dig through your other projects to find the relevant updates. The platform was built for the project, and that shows.
What it does well:
- Permanent, chronological project timeline anyone can follow from day one
- New followers can read the full build history without you having to re-explain everything
- Journey Passport: milestones, stamps, and a visual record of what the project has achieved
- Interactive space built around your project, where followers engage with your specific work
- Public and private modes, choose per project
- Photo, video, and text updates
- Free, no subscription or paywall
Where it falls short:
- Smaller user base than Twitter or Reddit; you're building your audience here rather than inheriting one
- Available on iOS, Android, and web, with mobile as the primary experience
Twitter / X — where the build-in-public culture lives
The build-in-public culture lives on Twitter/X. The #buildinpublic hashtag is active, the accounts worth following post there, and a well-crafted thread can reach thousands of people without a prior following. Nothing on this list gets you in front of as many people as fast.
But X was built for real-time attention, not for projects. Followers follow you, not your build. A thread you post today is genuinely difficult to find in two months. New followers see your pinned tweet and the last few posts, then have no idea what you've been working on for the past year. You end up re-explaining yourself to every new person who shows up.
What it does well:
- Massive existing audience of indie founders and makers, easily the largest on this list
- Thread format maps to build-in-public updates naturally
- Fast feedback, replies, and community engagement
- Great for launch announcements and milestone sharing
Where it falls short:
- Posts disappear in feeds with no persistent archive for late arrivals
- Threads are disconnected from each other with no unified project timeline
- The algorithm surfaces you as a person, not your specific project
- Context resets for every new follower; you own the audience, not the story
Reddit / r/buildinpublic — the community forum
Reddit's r/buildinpublic is active and the feedback is real. Unlike X where reactions are often reflexive, Reddit tends to surface more considered opinions from people who actually read what you posted. For specific decisions like pricing, positioning, or what to build next, r/buildinpublic and r/indiehackers can give you more useful signal than anywhere else.
But Reddit is a discussion platform, not a project timeline. Followers follow subreddits, not your build. A post you made last week is already buried, and there's no way to follow a specific project. Someone who finds your post today has no idea what you've built, what you shipped, or what failed. Each post stands completely alone.
What it does well:
- Large, active communities (r/buildinpublic, r/indiehackers, r/startups)
- High-quality feedback on specific decisions like pricing, naming, and positioning
- Good posts reach new audiences without a prior following
- Honest, direct community that's less of an echo chamber than Twitter
Where it falls short:
- Threads age out and nothing accumulates
- No way to follow a project, only subreddits or individual users
- Regular progress updates read as spam in a forum context
- Audiences orbit the subreddit, not your work
Indie Hackers — the founder community
Indie Hackers has a dedicated product page format where you can post updates about your project. The audience is the right one: indie founders looking for tools, stories, and peers. A well-written product story or milestone post can drive real attention from people who might actually become users.
Updates are posted but they don't accumulate into anything like a true project journal. It's more of a forum than a timeline. The community is valuable; the archival structure isn't really there.
What it does well:
- Highly targeted indie founder and maker audience
- Product pages give projects a persistent presence on the platform
- Community discussion and feedback from peers who have built things
- Good for sharing revenue milestones and founding stories
Where it falls short:
- Update format is forum-like, not a clean chronological timeline
- Requires consistent effort to stay visible in the community
- Not suited for photo and video progress updates
Product Hunt — the launch platform
Product Hunt is where new products get discovered. A well-timed launch can bring hundreds of first users in a single day, generate press mentions, and give your product a permanent page with upvotes, reviews, and social proof. For pure launch momentum, nothing else on this list compares.
But it's a single window. The 24-hour launch cycle is the whole game. After that, your product page stays up but the attention is gone. The audience is browsing for new tools, not following your build journey. There's no way to post ongoing updates, no project timeline, and no reason for someone to check back until you launch something new.
What it does well:
- Large audience of early adopters actively looking for new products to try
- A good launch can drive significant first-user traction in one day
- Permanent product page with upvotes, reviews, and credibility signals
- Free to submit
- Can feed into press and community coverage
Where it falls short:
- One-shot: the 24-hour launch window is the entire opportunity
- Not a place for ongoing build-in-public updates
- Audience follows products at launch, not your ongoing build story
- No project timeline or progress archive
Quick comparison
| Tool | User base | Built around your project | Permanent project archive | New follower reads the full story |
|---|---|---|---|---|
| Alongly | Growing (smaller than X or Reddit) | ✓ Yes, the whole point | ✓ Yes, always visible and in order | ✓ Yes, from day one |
| Twitter / X | Massive (largest on this list) | ✗ No, built around you as a person | ✗ No, disappears in feed | ✗ No, context resets for every follower |
| Reddit / r/buildinpublic | Large, active community | ✗ No, built around subreddits | ✗ No, threads age out | ✗ No, each post stands alone |
| Indie Hackers | Niche, targeted founder audience | Partial (product pages exist) | Partial (forum format, not a timeline) | Partial (product page, not a full story) |
| Product Hunt | Large early-adopter community | ✗ No, browsing new products not builds | ✗ No, one-shot launch window | ✗ No, no ongoing updates or story |
The stack most founders actually use
Most founders use more than one tool. Here's a stack that makes sense:
- Alongly for the permanent home. Every update, milestone, and piece of feedback in order. New followers always have full context. This is where the build actually lives.
- Twitter/X to distribute updates and get in front of people. Link back to your Alongly Journey so anyone curious can read the full story.
- Reddit (r/buildinpublic) for specific moments: a launch, a pricing decision, an honest retrospective. Not for regular progress updates.
Indie Hackers is worth a post if you want to reach that community specifically, especially early on. Product Hunt is the place for your actual launch day when you're ready to go wide.
What matters is having somewhere that accumulates. Build-in-public only compounds if the story is readable from the beginning. A scattered trail of threads and forum posts doesn't give someone who discovers you in month six anything to catch up on. A permanent timeline does, and the platform that was built for your project is the one worth putting your work into.
If you want to go deeper on the strategy, the complete guide for indie founders covers the full picture.