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Comparison · PM
GanttProject vs RentRedi
A side-by-side editorial comparison of GanttProject and RentRedi — release velocity, themes, recent moves, and the top alternatives to consider.
GanttProject vs RentRedi: at a glance
What is GanttProject?
A desktop Gantt tool on a multi-year cadence, tethering itself to its own cloud
GanttProject is a desktop project scheduling application released every one to three years, with occasional build-only tags in between. The most recent feature update, 3.3, added calculated columns driven by SQL expressions in the task table, project-relative week numbers, and a native Apple Silicon package. The intervening tags are packaging work rather than product: restoring Linux and Windows builds, and producing both Intel and Silicon macOS packages.
What is RentRedi?
RentRedi turns on-time rent into a portable tenant credential that brings in new landlords.
RentRedi is a property management app for independent landlords and small teams, covering rent collection, maintenance and tenant communication. This week it launched Tenant Certificate, a verified record of on-time rent that renters can send to their next landlord, along with bulk renter's-insurance requirements and an in-app activity timeline for Lessen maintenance jobs.
GanttProject vs RentRedi: editorial side-by-side
A desktop Gantt tool on a multi-year cadence, tethering itself to its own cloud
◆ Current state
GanttProject is a desktop project scheduling application released every one to three years, with occasional build-only tags in between. The most recent feature update, 3.3, added calculated columns driven by SQL expressions in the task table, project-relative week numbers, and a native Apple Silicon package. The intervening tags are packaging work rather than product: restoring Linux and Windows builds, and producing both Intel and Silicon macOS packages.
◆ Where it's heading
The through-line since 3.0 is a desktop application acquiring a service tail. GanttProject Cloud arrived in 3.0 alongside a bundled Java runtime and an update channel, 3.1 added a connection toggle and pulled a shared human-resource database from the cloud, and 3.2 rewrote the task table with filtering and non-destructive sorting. By 3.3 the table is programmable through SQL expressions. Each release deepens either the cloud tie or the table, which are the two places a desktop planner can still differentiate — but the cadence means any given year may show only a packaging fix.
◆ Prediction
Expect the next feature release to extend calculated columns or the cloud collaboration surface; on this cadence it is unlikely to arrive quickly, and the entries give no indication of timing.
RentRedi
7.5PM
RentRedi turns on-time rent into a portable tenant credential that brings in new landlords.
◆ Current state
RentRedi is a property management app for independent landlords and small teams, covering rent collection, maintenance and tenant communication. This week it launched Tenant Certificate, a verified record of on-time rent that renters can send to their next landlord, along with bulk renter's-insurance requirements and an in-app activity timeline for Lessen maintenance jobs.
◆ Where it's heading
October's releases served landlords with staff: team chat access, payment filters, receipts and dark mode. Tenant Certificate adds a tenant-side growth loop, because landlords who receive a certificate are asked to create a RentRedi account. Maintenance is becoming a hub for partner updates like Lessen's.
◆ Prediction
Expect Tenant Certificate data to feed into screening or applications inside RentRedi, and the read-only Lessen timeline to gain replies.
Alternatives to GanttProject and RentRedi
Other PM products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either GanttProject or RentRedi.
NocoBase
NocoBase's Runner Agent gets conversation management, task links and agent switching mid-thread.
Camunda
Camunda opens the 8.11 cycle with job-worker fixes and variable metadata across gRPC, REST and MCP.
Todoist
Todoist's 2026 bets are on capture: voice via Ramble, photos and files via Task Capture.
Atarim
Atarim's AI experts now propose changes to live pages as drafts, and the app runs on phones.
Fibery
Fibery's MCP server can now upload local files, so AI assistants can attach screenshots and images.
See all GanttProject alternatives → · See all RentRedi alternatives →
Recent activity from GanttProject and RentRedi
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 6d agoRentRediLessen work-order updates appear inside RentRedi
- 6d agoRentRediRequire Renter's Insurance for Your Tenants, Now in Bulk
- 7d agoRentRediTenant Certificate: Proof of On-Time Rent, in One Click ⚡
- 10d agoRentRediDark Mode Is Here!
- 13d agoRentRediGive Teammates Access to All Company Chats
- 13d agoRentRedi🔍 Filter Manual vs. Online Payments
- 10mo agoGanttProjectGanttProject 3.3
- 2y agoGanttProjectBuild tag restores Linux and Windows packages
- 2y agoGanttProjectBuild tag adds Intel and Apple Silicon macOS packages
- 4y agoGanttProjectGanttProject 3.2
- 5y agoGanttProjectGanttProject 3.1
- 5y agoGanttProjectGanttProject 3.0 ⚡
Frequently asked questions
What is the difference between GanttProject and RentRedi?
They serve adjacent needs but don't currently overlap on shipped themes. RentRedi is currently shipping more aggressively (velocity 7.5 vs 0.0), with 1 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is GanttProject better than RentRedi?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. RentRedi is currently shipping more aggressively (velocity 7.5 vs 0.0), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other PM products to evaluate alongside.
What are the best alternatives to GanttProject?
Top GanttProject alternatives in PM are ranked by recent ship velocity. Browse the "GanttProject alternatives" section above for the current picks, or visit /alternatives/ganttproject for the full list with editorial commentary on each.
What are the best alternatives to RentRedi?
Top RentRedi alternatives in PM are ranked by recent ship velocity. Browse the "RentRedi alternatives" section above for the current picks, or visit /alternatives/rentredi for the full list with editorial commentary on each.