Comparison
excelize vs book-to-skill
Verdict
Pick excelize if excellize is a Go library focused on efficient, comprehensive manipulation of Excel files; pick book-to-skill if book-to-skill is a Python-based tool that converts technical book PDFs into Claude Code skills, facilitating effective study and reference.
Markdown twin · excelize alternatives · book-to-skill alternatives
GraphCanon updated Sep 20, 2026
6views this month
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Trust & integrity
| Signal | excelize | book-to-skill |
|---|---|---|
| Maintenance | Very active (2d since push) As of Aug 19, 2026 · github_public_v1 | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Aug 19, 2026 · github_public_v1 | Not a fork · Personal account As of Sep 18, 2026 · github_public_v1 |
| OSV dependency advisories | Published findings As of Jul 11, 2026 · osv@v1 | No lockfile (source not queried) As of Sep 18, 2026 · 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
- excelize
- Go language library for reading and writing Excel spreadsheets
- book-to-skill
- Converts technical book PDFs into Claude Code skills for study and reference
Stars
- excelize
- 21k
- book-to-skill
- 31k
Forks
- excelize
- 1.9k
- book-to-skill
- 3.2k
Open issues
- excelize
- 134
- book-to-skill
- 16
Language
- excelize
- Go
- book-to-skill
- Python
Adopt for
- excelize
- Excellize is a Go library focused on efficient, comprehensive manipulation of Excel files
- book-to-skill
- book-to-skill is a Python-based tool that converts technical book PDFs into Claude Code skills, facilitating effective study and reference.
Persona
- excelize
- -
- book-to-skill
- -
Runtime
- excelize
- -
- book-to-skill
- -
License
- excelize
- BSD-3-Clause
- book-to-skill
- MIT license applies to the converter code and skill definition in the repository, but not to any book or document processed with it.
Last pushed
- excelize
- Aug 16, 2026
- book-to-skill
- Sep 17, 2026
Categories
- excelize
- Data & Retrieval
- book-to-skill
- AI Agents, Data & Retrieval, Developer Tools
Trust and health
Days since push
- excelize
- 2d
- book-to-skill
- 0d
Open issues (now)
- excelize
- 134
- book-to-skill
- 16
Stars delta
- excelize
- +59 (30d)
- book-to-skill
- Unknown
Open issues delta
- excelize
- +5 (30d)
- book-to-skill
- Unknown
Owner type
- excelize
- Organization
- book-to-skill
- User
OSV dependency advisories
- excelize
- Published findings
- book-to-skill
- No lockfile (source not queried)
Full report
- excelize
- Trust report
- book-to-skill
- Trust report
Choose excelize if…
- excelize is primarily Go; book-to-skill is Python.
- License: excelize is BSD-3-Clause, book-to-skill is MIT.
- Pricing: Excellize is free and open-source under the BSD-3-Clause license, which allows reuse in both commercial and non-commercial applications without royalty payments..
- Requirements: Min 1 GB RAM; Operating system requirements are aligned with what is supported by Go itself..
- Tags unique to excelize: analytics, chart, excel, formula.
- When developing applications in Go that require robust capabilities for reading and writing Excel spreadsheets including support for formulas, charts, tables, and VBA macros.
When NOT to use excelize
- If the development environment strictly avoids using languages like Go, since Excellize requires a Go runtime.
- When working on projects where Excel files are rarely needed for data processing, another more generic file handling library might be preferable to minimize dependencies and complexity
Choose book-to-skill if…
- book-to-skill is primarily Python; excelize is Go.
- License: book-to-skill is MIT, excelize is BSD-3-Clause.
- Pricing: The tool is free to use under the MIT license, but any books or documents processed with it are subject to their own licensing..
- Requirements: Min 2 GB RAM; Requires Python environment to run the tool..
- Tags unique to book-to-skill: agent-skills, ai-agents, book-to-skill, context-engineering.
- Also covers AI Agents, Developer Tools.
- When you need to convert technical book PDFs into a format that can be easily studied and referenced using Claude Code skills.
When NOT to use book-to-skill
- If your goal is to convert non-technical books or documents that do not require the specific format of Claude Code skills.
- When you are looking for a tool that processes and converts documents into formats other than those compatible with Claude Code.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (qax-os/excelize) · observed Sep 20, 2026
- GitHub forks (qax-os/excelize) · observed Sep 20, 2026
- Last push (qax-os/excelize) · observed Aug 16, 2026
- License file (BSD-3-Clause) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (virgiliojr94/book-to-skill) · observed Sep 20, 2026
- GitHub forks (virgiliojr94/book-to-skill) · observed Sep 20, 2026
- Last push (virgiliojr94/book-to-skill) · observed Sep 17, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
GitHub stars on cards: excelize 21k · book-to-skill 31k (synced Sep 20, 2026).
Common questions
- What is the difference between excelize and book-to-skill?
- excelize: Go language library for reading and writing Excel spreadsheets. book-to-skill: Converts technical book PDFs into Claude Code skills for study and reference. See the comparison table for live GitHub stats and shared categories.
- When should I choose excelize over book-to-skill?
- Choose excelize over book-to-skill when excelize is primarily Go; book-to-skill is Python; License: excelize is BSD-3-Clause, book-to-skill is MIT; Pricing: Excellize is free and open-source under the BSD-3-Clause license, which allows reuse in both commercial and non-commercial applications without royalty payments.; Requirements: Min 1 GB RAM; Operating system requirements are aligned with what is supported by Go itself.; Tags unique to excelize: analytics, chart, excel, formula; When developing applications in Go that require robust capabilities for reading and writing Excel spreadsheets including support for formulas, charts, tables, and VBA macros.
- When should I choose book-to-skill over excelize?
- Choose book-to-skill over excelize when book-to-skill is primarily Python; excelize is Go; License: book-to-skill is MIT, excelize is BSD-3-Clause; Pricing: The tool is free to use under the MIT license, but any books or documents processed with it are subject to their own licensing.; Requirements: Min 2 GB RAM; Requires Python environment to run the tool.; Tags unique to book-to-skill: agent-skills, ai-agents, book-to-skill, context-engineering; Also covers AI Agents, Developer Tools; When you need to convert technical book PDFs into a format that can be easily studied and referenced using Claude Code skills.
- When should I avoid excelize?
- If the development environment strictly avoids using languages like Go, since Excellize requires a Go runtime. When working on projects where Excel files are rarely needed for data processing, another more generic file handling library might be preferable to minimize dependencies and complexity
- When should I avoid book-to-skill?
- If your goal is to convert non-technical books or documents that do not require the specific format of Claude Code skills. When you are looking for a tool that processes and converts documents into formats other than those compatible with Claude Code.
- Is excelize or book-to-skill more popular on GitHub?
- book-to-skill has more GitHub stars (31,078 vs 20,855). Stars measure visibility, not whether either tool fits your constraints.
- Are excelize and book-to-skill open source?
- Yes - both are open-source projects on GitHub (excelize: BSD-3-Clause, book-to-skill: MIT).
- Where can I find alternatives to excelize or book-to-skill?
- GraphCanon lists graph-backed alternatives at excelize alternatives and book-to-skill alternatives (excelize markdown twin, book-to-skill 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, excelize or book-to-skill?
- excelize: Very active. book-to-skill: Very active. 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 excelize and book-to-skill?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: excelize trust report; book-to-skill trust report.