Comparison
ECC vs OpenSail
Verdict
Pick ECC when eCC is primarily JavaScript; OpenSail is Python; pick OpenSail when openSail is primarily Python; ECC is JavaScript.
Markdown twin · ECC alternatives · OpenSail alternatives
GraphCanon updated today
Trust & integrity
| Signal | ECC | OpenSail |
|---|---|---|
| Maintenance | Very active (2d since push) As of 4d · github_public_v1 | Steady (46d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Personal account As of 4d · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 4d · osv@v1 | No lockfile (source not queried) As of today · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- ECC
- The agent harness performance optimization system for AI agents
- OpenSail
- OpenSail is the open-source alternative to Codex App, Claude Desktop, Cursor, and Cowork for agentic software work.
Stars
- ECC
- 228k
- OpenSail
- 598
Forks
- ECC
- 35k
- OpenSail
- 101
Open issues
- ECC
- 93
- OpenSail
- 102
Language
- ECC
- JavaScript
- OpenSail
- Python
Adopt for
- ECC
- ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes.
- OpenSail
- -
Persona
- ECC
- -
- OpenSail
- -
Runtime
- ECC
- -
- OpenSail
- -
License
- ECC
- MIT
- OpenSail
- Apache-2.0
Last pushed
- ECC
- Jul 9, 2026
- OpenSail
- May 30, 2026
Categories
- ECC
- AI Agents, Developer Tools
- OpenSail
- AI Agents, Developer Tools, Inference & Serving
Trust and health
Maintenance
- ECC
- Very active (96%)
- OpenSail
- Steady (60%)
Days since push
- ECC
- 2d
- OpenSail
- 46d
Open issues (now)
- ECC
- 93
- OpenSail
- 102
Owner type
- ECC
- User
- OpenSail
- Organization
Full report
- ECC
- Trust report
- OpenSail
- Trust report
Choose ECC if…
- ECC is primarily JavaScript; OpenSail is Python.
- License: ECC is MIT, OpenSail is Apache-2.0.
- ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data.
- Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project..
- Tags unique to ECC: ai-agents, anthropic, claude, claude code.
- When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.
When NOT to use ECC
- For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary.
- In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.
Choose OpenSail if…
- OpenSail is primarily Python; ECC is JavaScript.
- License: OpenSail is Apache-2.0, ECC is MIT.
- Tags unique to OpenSail: agents, ai, automation, btrfs.
- Also covers Inference & Serving.
When NOT to use OpenSail
- AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism.
- Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
- Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (affaan-m/ECC) · observed Jul 11, 2026
- GitHub forks (affaan-m/ECC) · observed Jul 11, 2026
- Last push (affaan-m/ECC) · observed Jul 9, 2026
- License file (MIT) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (TesslateAI/OpenSail) · observed Jul 15, 2026
- GitHub forks (TesslateAI/OpenSail) · observed Jul 15, 2026
- Last push (TesslateAI/OpenSail) · observed May 30, 2026
- License file (Apache-2.0) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: ECC 228k · OpenSail 598 (synced Jul 11, 2026).
Common questions
- What is the difference between ECC and OpenSail?
- ECC: The agent harness performance optimization system for AI agents. OpenSail: OpenSail is the open-source alternative to Codex App, Claude Desktop, Cursor, and Cowork for agentic software work.. See the comparison table for live GitHub stats and shared categories.
- When should I choose ECC over OpenSail?
- Choose ECC over OpenSail when ECC is primarily JavaScript; OpenSail is Python; License: ECC is MIT, OpenSail is Apache-2.0; ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data; Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.; Tags unique to ECC: ai-agents, anthropic, claude, claude code; When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.
- When should I choose OpenSail over ECC?
- Choose OpenSail over ECC when OpenSail is primarily Python; ECC is JavaScript; License: OpenSail is Apache-2.0, ECC is MIT; Tags unique to OpenSail: agents, ai, automation, btrfs; Also covers Inference & Serving.
- When should I avoid ECC?
- For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.
- When should I avoid OpenSail?
- AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. Developer Tools: A gateway is overkill when you're pinned to a single provider and model. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
- Is ECC or OpenSail more popular on GitHub?
- ECC has more GitHub stars (228,395 vs 598). Stars measure visibility, not whether either tool fits your constraints.
- Are ECC and OpenSail open source?
- Yes - both are open-source projects on GitHub (ECC: MIT, OpenSail: Apache-2.0).
- Where can I find alternatives to ECC or OpenSail?
- GraphCanon lists graph-backed alternatives at ECC alternatives and OpenSail alternatives (ECC markdown twin, OpenSail markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, ECC or OpenSail?
- ECC: Very active. OpenSail: Steady. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for ECC and OpenSail?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ECC trust report; OpenSail trust report.