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Comparison · PM
Leantime vs Nimbus
A side-by-side editorial comparison of Leantime and Nimbus — release velocity, themes, recent moves, and the top alternatives to consider.
Leantime vs Nimbus: at a glance
What is Leantime?
Leantime swaps role ranks for real permissions and syncs with your calendar app.
Leantime moved from 3.10 to 3.14 between October and 10 November. v3.14.0 replaces role-rank checks with specific permission checks across projects, timesheets, users, API keys, to-dos, milestones and sprints, and opens the calendar to plugins; a new CalDAV plugin syncs both ways with Nextcloud, Radicale and Apple Calendar. Earlier releases added mobile push, per-project modules, global search and self-updating plugins.
What is Nimbus?
FuseBase is pivoting into AI app building while its marketing still sells the old portal category.
The feed tracked here is thefusebase.com — the product trades as FuseBase now — and it carries two unrelated streams. The recent half is competitor-alternative SEO (Quip, Google Docs, Notion Sites, Clinked, Moxo) selling the collaboration and client-portal positioning. The product half, all from May and June, is about something else: FuseBase Flow, FuseBase AI Apps, and an AI Coding module for turning ideas into shippable applications.
Leantime vs Nimbus: editorial side-by-side
Leantime
5.0PM
Leantime swaps role ranks for real permissions and syncs with your calendar app.
◆ Current state
Leantime moved from 3.10 to 3.14 between October and 10 November. v3.14.0 replaces role-rank checks with specific permission checks across projects, timesheets, users, API keys, to-dos, milestones and sprints, and opens the calendar to plugins; a new CalDAV plugin syncs both ways with Nextcloud, Radicale and Apple Calendar. Earlier releases added mobile push, per-project modules, global search and self-updating plugins.
◆ Where it's heading
The release cadence is roughly one feature version every two weeks, split between finer access control and a plugin marketplace that carries more functionality. Core changes increasingly exist to give plugins stable hooks, as the calendar rework shows.
◆ Prediction
Expect more marketplace plugins built on the new calendar and permission hooks, and further permission work extending to the remaining modules.
Nimbus
5.0PM
FuseBase is pivoting into AI app building while its marketing still sells the old portal category.
◆ Current state
The feed tracked here is thefusebase.com — the product trades as FuseBase now — and it carries two unrelated streams. The recent half is competitor-alternative SEO (Quip, Google Docs, Notion Sites, Clinked, Moxo) selling the collaboration and client-portal positioning. The product half, all from May and June, is about something else: FuseBase Flow, FuseBase AI Apps, and an AI Coding module for turning ideas into shippable applications.
◆ Where it's heading
The company is moving from a place to store documents and client files toward a place where agents build software, and the Flow launch states it most plainly — phases, slices, reviews and gates imposed on AI-generated projects instead of one overloaded chat. The target is client-facing businesses that want to ship applications without an engineering team. Marketing has not followed the product: every recent post still chases buyers shopping for a Notion or Quip replacement.
◆ Prediction
Expect the next real releases to keep hardening the AI Coding path — more structure around review, stability and deployment — since that is where every product post in this window concentrates. Whether the listicle engine ever repoints at the AI positioning is unresolved; right now the two halves of this feed address different buyers.
Alternatives to Leantime and Nimbus
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 Leantime or Nimbus.
Asana
Asana lets Division admins run their own custom roles, on top Enterprise plans only.
NocoBase
NocoBase's v3 beta lets apps ship their own CLI, separate from Agents.
Productboard
Productboard's v2 documents API now keeps plain web addresses and emoji as ordinary text.
Hive
Hive turns reporting into a planning tool: shared inputs, grouped values, per-person drill-downs.
Tracecat
Tracecat 1.5 alpha patches add sub-cases and lock down agent sandboxes.
See all Leantime alternatives → · See all Nimbus alternatives →
Recent activity from Leantime and Nimbus
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 3d agoLeantimev3.14.0: per-permission access checks and a CalDAV sync plugin
- 14d agoLeantimev3.13.2: digest changes, OIDC PKCE, marketplace install reporting
- 14d agoLeantimev3.13.1: clearer plugin install errors
- 14d agoLeantimev3.13.0: mobile push, per-project modules, Laravel 12
- 29d agoLeantimev3.12.0: self-updating plugins and a shared interface library
- 1mo agoLeantimev3.11.0: global search across the workspace
- 3mo agoNimbusBest 9 Quip Alternatives to Consider in 2026
- 3mo agoNimbus13 Google Docs Alternatives for Creating Smarter Documents in 2026
- 4mo agoNimbusTop 7 Alternatives to Notion Websites in 2026
- 4mo agoNimbus8 Best Clinked Alternatives to Consider in 2026
- 5mo agoNimbusIntroducing FuseBase Flow: A Structured Process for AI App Development ⚡
- 5mo agoNimbusEverything New in FuseBase AI Apps
Frequently asked questions
What is the difference between Leantime and Nimbus?
They serve adjacent needs but don't currently overlap on shipped themes. Leantime and Nimbus are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Leantime better than Nimbus?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Leantime and Nimbus are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other PM products to evaluate alongside.
What are the best alternatives to Leantime?
Top Leantime alternatives in PM are ranked by recent ship velocity. Browse the "Leantime alternatives" section above for the current picks, or visit /alternatives/leantime for the full list with editorial commentary on each.
What are the best alternatives to Nimbus?
Top Nimbus alternatives in PM are ranked by recent ship velocity. Browse the "Nimbus alternatives" section above for the current picks, or visit /alternatives/nimbusweb for the full list with editorial commentary on each.