#01
QueuedBuild
Research repository
Dovetail
83/100
A self-hostable home for customer interviews, evidence, synthesis, and durable research memory.
Spend signalEnterprise pricing is quote-led
Open-source whitespace
Open mission briefOpen-source displacement foundry
Pick a target.
Ship the exit.
SaaSassin coordinates AI-native builders, maintainers, and adopters to replace expensive closed software with credible open products.
BUILD WHERE THERE IS WHITESPACE•BACK MAINTAINERS BEFORE FORKING•MIGRATIONS OVER MOCKUPS•OPEN EXPORTS. ALWAYS.
The current hit list
High pain. Reachable product. Credible wedge.
The ranking rewards displacement potential—not incumbent size. A large brand scores poorly when the moat is a network, regulated rail, or already-solved open-source category.
#02
ResearchBuild
Performance management
Lattice
81/100
A focused, modern performance system for goals, reviews, one-to-ones, and calibration.
Spend signal$4,000 minimum annual agreement
Open-source whitespace
Open mission brief#03
RecruitingBuild
AI work planning
Motion
80/100
A deterministic open planner that turns tasks, calendars, and constraints into a realistic day.
Spend signal$19–$29 per seat monthly on annual billing
Open-source whitespace
Open mission briefSee all 10 targetsPublic-source research snapshot: 8 August 2026
The operating model
Not another directory of abandoned repos.
SaaSassin treats open-source displacement as product work: research, scope, maintainers, design partners, migration, verification, and ongoing economics.
01
Choose the right target
We rank customer pain, demand, buildability, open-source whitespace, portability, and sustainable economics.
02
Pick the honest attack
Build where there is whitespace. Assemble proven primitives. Back maintainers when the challenger already exists.
03
Verify real displacement
A mission wins through clean-room delivery, successful migrations, retained users, security, and maintenance.
First 165 days
One proving mission. Two escalating bets.
NowDays 0–14
Phase 00
Build the proving ground
10 qualified builder submissions and one committed design partnerNextDays 15–45
Mission 01
Canny → Fider proving mission
Three real migrations and one paying hosted customerLaterDays 46–105
Mission 02
Motion → Open Planner
20 weekly active users and four-week retention above 40%LaterDays 76–165
Mission 03
Dovetail → Open Research Repository
Two organizations migrate a live research archiveThe ask
Bring code, a painful SaaS bill, or a real migration.
Missions advance only when credible builders and adopters meet around a measurable outcome.
Find your mission