Lobsters

Submit a technical write-up about your stack with beta mentioned in comments only.

OtherfreeSaaSDesktopChrome extension

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Invite-only tech link sharing; blatant marketing is off-topic.

Submit a technical write-up about your stack with beta mentioned in comments only.

Otherfree
DEV Community
Write a “I shipped X this week” post and put the beta link in the final section.
SaaSAI toolGameChrome extensionDesktop
Otherfree
Hacker News
Title format “Show HN: …” and respond to every comment in the first two hours.
SaaSAI toolDesktopChrome extension
Otherfree
Indie Hackers
Share one concrete lesson from building, then ask for testers in the final paragraph.
SaaSAI toolChrome extensionDesktop
Also a launch platform — see how to submit on SubmitMap →
Otherfree
Hashnode
Publish on your Hashnode blog and tag #beta so discovery surfaces it.
SaaSAI toolDesktop
Otherfree
LinkedIn founder posts
Post a carousel of three onboarding screens and ask which step confused testers.
SaaSAI toolDesktop
Otherfreemium
midu.dev
Share a free course project update and mention the beta in comments, not the headline.
SaaSChrome extensionAI tool