Comparison
NumKong vs voy
Verdict
Pick NumKong if numKong emphasizes SIMD-accelerated numerical operations with bindings in multiple languages including Python, Rust, C, C++, Swift, JS, and Go; pick voy if voy specializes in Webassembly-based vector similarity searches, coded in Rust, with support for k-d-trees and nearest-neighbor searching.
Markdown twin · NumKong alternatives · voy alternatives
GraphCanon updated today
Trust & integrity
| Signal | NumKong | voy |
|---|---|---|
| Maintenance | Very active (0d since push) As of today · github_public_v1 | Dormant (1067d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Personal account As of today · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · 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
- NumKong
- SIMD-accelerated numerical operations for multiple languages and platforms
- voy
- A WASM vector similarity search written in Rust
Stars
- NumKong
- 1.9k
- voy
- 1.1k
Forks
- NumKong
- 128
- voy
- 41
Open issues
- NumKong
- 45
- voy
- 22
Language
- NumKong
- C
- voy
- Rust
Adopt for
- NumKong
- NumKong emphasizes SIMD-accelerated numerical operations with bindings in multiple languages including Python, Rust, C, C++, Swift, JS, and Go.
- voy
- Voy specializes in Webassembly-based vector similarity searches, coded in Rust, with support for k-d-trees and nearest-neighbor searching.
Persona
- NumKong
- -
- voy
- -
Runtime
- NumKong
- -
- voy
- -
License
- NumKong
- Apache-2.0
- voy
- Apache-2.0
Last pushed
- NumKong
- Aug 22, 2026
- voy
- Sep 20, 2023
Categories
- NumKong
- Data & Retrieval, Model Training
- voy
- Vector Databases
Trust and health
Maintenance
- NumKong
- Very active (96%)
- voy
- Dormant (18%)
Days since push
- NumKong
- 0d
- voy
- 1067d
Open issues (now)
- NumKong
- 45
- voy
- 22
Stars delta
- NumKong
- +18 (30d)
- voy
- +4 (30d)
Open issues delta
- NumKong
- +14 (30d)
- voy
- 0 (30d)
Owner type
- NumKong
- User
- voy
- Organization
Full report
- NumKong
- Trust report
- voy
- Trust report
Choose NumKong if…
- NumKong is primarily C; voy is Rust.
- Tags unique to NumKong: language-bindings, matrix-multiplication, numeric-types, simd-optimization.
- Also covers Data & Retrieval, Model Training.
- When you require highly optimized numerical computations across a variety of platforms like x86, Arm, RISC-V, or WASM for better performance
When NOT to use NumKong
- If your application does not benefit from SIMD optimizations or operates on platforms not supported by NumKong
- When you are working exclusively with a single language without the need for cross-language binding support, as this might add overhead and complexity
Choose voy if…
- voy is primarily Rust; NumKong is C.
- Tags unique to voy: k-d-tree, nearest-neighbor-search, rust, similarity-search.
- Also covers Vector Databases.
- When you require a Rust implementation of WebAssembly for embedding in web applications or for secure sandboxed execution on the server-side.
When NOT to use voy
- If high availability and extensive fault tolerance features are required, as Voy focuses primarily on vector similarity searches rather than system-wide reliability enhancements.
- When your project demands integration with existing large-scale SQL database systems, since Voy is specialized for a specific type of search operation.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (ashvardanian/NumKong) · observed Aug 23, 2026
- GitHub forks (ashvardanian/NumKong) · observed Aug 23, 2026
- Last push (ashvardanian/NumKong) · observed Aug 22, 2026
- License file (Apache-2.0) · observed Aug 23, 2026
- Decision facts (enrichment) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (tantaraio/voy) · observed Aug 23, 2026
- GitHub forks (tantaraio/voy) · observed Aug 23, 2026
- Last push (tantaraio/voy) · observed Sep 20, 2023
- License file (Apache-2.0) · observed Aug 23, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: NumKong 1.9k · voy 1.1k (synced Aug 23, 2026).
Common questions
- What is the difference between NumKong and voy?
- NumKong: SIMD-accelerated numerical operations for multiple languages and platforms. voy: A WASM vector similarity search written in Rust. See the comparison table for live GitHub stats and shared categories.
- When should I choose NumKong over voy?
- Choose NumKong over voy when NumKong is primarily C; voy is Rust; Tags unique to NumKong: language-bindings, matrix-multiplication, numeric-types, simd-optimization; Also covers Data & Retrieval, Model Training; When you require highly optimized numerical computations across a variety of platforms like x86, Arm, RISC-V, or WASM for better performance.
- When should I choose voy over NumKong?
- Choose voy over NumKong when voy is primarily Rust; NumKong is C; Tags unique to voy: k-d-tree, nearest-neighbor-search, rust, similarity-search; Also covers Vector Databases; When you require a Rust implementation of WebAssembly for embedding in web applications or for secure sandboxed execution on the server-side.
- When should I avoid NumKong?
- If your application does not benefit from SIMD optimizations or operates on platforms not supported by NumKong When you are working exclusively with a single language without the need for cross-language binding support, as this might add overhead and complexity
- When should I avoid voy?
- If high availability and extensive fault tolerance features are required, as Voy focuses primarily on vector similarity searches rather than system-wide reliability enhancements. When your project demands integration with existing large-scale SQL database systems, since Voy is specialized for a specific type of search operation.
- Is NumKong or voy more popular on GitHub?
- NumKong has more GitHub stars (1,875 vs 1,069). Stars measure visibility, not whether either tool fits your constraints.
- Are NumKong and voy open source?
- Yes - both are open-source projects on GitHub (NumKong: Apache-2.0, voy: Apache-2.0).
- Where can I find alternatives to NumKong or voy?
- GraphCanon lists graph-backed alternatives at NumKong alternatives and voy alternatives (NumKong markdown twin, voy 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, NumKong or voy?
- NumKong: Very active. voy: Dormant. 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 NumKong and voy?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: NumKong trust report; voy trust report.