Can I open-source SubSignal?
NOT REALLY · nothing credible yetNo credible open-source replacement for SubSignal yet — Twenty and EspoCRM are the closest escape hatches, but they don't cross the moat. Because relevance comes from history. Judging a single post in isolation is what a prompt does; knowing that this complaint has surfaced eleven times this quarter and twice from the same team requires an archive. You can start collecting today and be useful in a year, or pay for the year someone else already spent.
Because relevance comes from history. Judging a single post in isolation is what a prompt does; knowing that this complaint has surfaced eleven times this quarter and twice from the same team requires an archive. You can start collecting today and be useful in a year, or pay for the year someone else already spent.
xa historical archive you cannot backfill from the live API
xranking a lead against everything seen before, instead of judging it alone
xa curated subreddit and keyword set you did not have to discover
xdeduplication and history across runs
xsomeone tracking Reddit API terms and rate-limit changes for you
These projects already replace it, free.
TTwentyA modern, Notion-flavored CRM built in the open as the community answer to Salesforce.open source↗MMauticFull marketing automation: segments, drip campaigns, lead scoring, landing pages. Heavy PHP stack, but it replaces a very expensive tool.open source↗EEspoCRMFull-featured CRM: leads, opportunities, email integration, workflows — light enough for a $5 VPS.open source↗What each one is, in full: Twenty · Mautic · EspoCRM
no votes, no pay-to-list · just what's real
SubSignal pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/workspace | $0/workspace | Free Reddit tools/monitoring entry point; exact numeric lead/search caps not published on crawled official pages. |
| pro | $29.99/workspace | $16.58/workspace | Reddit monitoring and lead detection; exact alert/keyword/lead caps not published on crawled official pages. |
free tierfree tier exists, but numeric monitoring/lead caps were not published on crawled official pages.
billingmonthly + yearly implied; Pro $29.99/mo and from about $16.58/mo yearly on official alternative page
hidden costsMain pricing table not found; exact alert/keyword/lead caps and overage rules remain unverified.
verified 2026-08-10 · source ↗
Can I open-source SubSignal?
Not really. SubSignal's value is not the code: The moat is a years-deep Reddit archive you cannot backfill from the live API. No credible open-source replacement exists yet.
How much does SubSignal cost?
SubSignal's pricing is usage-based or varies by plan · the product advertises a paid plan but published no pricing page when checked on 2026-08-03 · recheck before quoting a number.
What do I lose by replacing SubSignal?
Honestly: a historical archive you cannot backfill from the live API; ranking a lead against everything seen before, instead of judging it alone; a curated subreddit and keyword set you did not have to discover; deduplication and history across runs; someone tracking Reddit API terms and rate-limit changes for you. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to SubSignal?
Yes: Twenty (A modern, Notion-flavored CRM built in the open as the community answer to Salesforce.) Mautic (Full marketing automation: segments, drip campaigns, lead scoring, landing pages. Heavy PHP stack, but it replaces a very expensive tool.) EspoCRM (Full-featured CRM: leads, opportunities, email integration, workflows — light enough for a $5 VPS.)