Undo

Name: Undo
Brand: Undo

Undo is the agentic debugging platform for large-scale codebases.

Est 2012|26 Ref Customers

LinkedIn 5K|Web traffic 5K|FTEs 69|HQ Cambridge, England, GB

01Competitive Landscape

| Aspect | Undo (UDB) | rr | Microsoft WinDbg TTD | |--------|------------|----|----------------------| | Starting Price | Not publicly listed (likely quote-based licensing) | Free/open source | Typically bundled with Microsoft tooling (availability and cost dependent on Microsoft tooling context) | | Best For | Linux native C/C++ (plus Java), large/complex systems, teams needing commercial support and environments where rr constraints are limiting | Linux C/C++ deterministic replay where rr’s constraints are acceptable; budget-sensitive teams | Windows-focused debugging workflows where WinDbg/TTD is applicable | | Key Strength | Commercial product designed to support time-travel debugging at larger scale; integrates with IDEs; documents AI-driven workflow concepts | Strong academic/engineering foundation; widely used; integrates with GDB workflows; no license fee | Native Windows time-travel debugging integrated into WinDbg workflows | | Key Weakness | Cost and lack of transparent public pricing; limited independent review volume in public platforms | Hardware/OS/workload constraints can apply; may be harder to deploy in some environments | OS-limited (Windows); not a Linux-native solution |

Narrative analysis

Direct competitors and their key differentiators
- Undo vs rr
  - The vendors describe different architectural approaches (e.g., dynamic binary translation versus approaches that rely on performance counters and ptrace); these differences imply trade-offs in deployability and scalability depending on workload and environment.
- Undo vs WinDbg TTD
  - WinDbg TTD is oriented to the Windows ecosystem; Undo is primarily positioned around Linux/native compiled languages and supports certain Java workflows.
Pricing comparison: value proposition vs alternatives
- If rr or WinDbg TTD meet requirements, they have a cost advantage. Undo’s ROI case is strongest when debugging high-cost failures where deterministic replay and reduced time-to-resolution justify licensing and operational costs.
Market share and adoption trends
- Independent market sizing and adoption figures were not identified in the materials reviewed for this report.

01Competitive Landscape

Aspect	Undo (UDB)	rr	Microsoft WinDbg TTD
Starting Price	Not publicly listed (likely quote-based licensing)	Free/open source	Typically bundled with Microsoft tooling (availability and cost dependent on Microsoft tooling context)
Best For	Linux native C/C++ (plus Java), large/complex systems, teams needing commercial support and environments where rr constraints are limiting	Linux C/C++ deterministic replay where rr’s constraints are acceptable; budget-sensitive teams	Windows-focused debugging workflows where WinDbg/TTD is applicable
Key Strength	Commercial product designed to support time-travel debugging at larger scale; integrates with IDEs; documents AI-driven workflow concepts	Strong academic/engineering foundation; widely used; integrates with GDB workflows; no license fee	Native Windows time-travel debugging integrated into WinDbg workflows
Key Weakness	Cost and lack of transparent public pricing; limited independent review volume in public platforms	Hardware/OS/workload constraints can apply; may be harder to deploy in some environments	OS-limited (Windows); not a Linux-native solution

Narrative analysis

Direct competitors and their key differentiators
- Undo vs rr
  - The vendors describe different architectural approaches (e.g., dynamic binary translation versus approaches that rely on performance counters and ptrace); these differences imply trade-offs in deployability and scalability depending on workload and environment.
- Undo vs WinDbg TTD
  - WinDbg TTD is oriented to the Windows ecosystem; Undo is primarily positioned around Linux/native compiled languages and supports certain Java workflows.
Pricing comparison: value proposition vs alternatives
- If rr or WinDbg TTD meet requirements, they have a cost advantage. Undo’s ROI case is strongest when debugging high-cost failures where deterministic replay and reduced time-to-resolution justify licensing and operational costs.
Market share and adoption trends
- Independent market sizing and adoption figures were not identified in the materials reviewed for this report.

Undo

01Competitive Landscape

Narrative analysis

02Market Map

01Competitive Landscape

Narrative analysis

02Market Map