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GitHub sets a December 8 cutoff for ARM32 Actions runners and opens AI Scan to the API.
Alternatives · software development tools
Bun alternatives
The best Bun alternatives in software development tools, ranked by Sparkpulse's velocity_score.
Updated Nov 14, 2026
Looking for the best alternatives to Bun? Sparkpulse tracks and ranks 12 alternatives in software development tools by shipping velocity — how frequently each ships meaningful updates, verified from official changelogs. For reference, Bun shipped 0 meaningful updates in the last 30 days and carries a velocity score of 6.3 out of 10 in 2026. The alternatives below are ranked the same way, so you're comparing real release momentum, not marketing claims.
About Bun
Bun 1.4.4 adds bun fmt, a built-in Prettier-compatible formatter, two weeks after bun check.
Bun now covers formatting as well as type checking: v1.4.4 ships bun fmt, a Prettier-compatible formatter it says is 3-6x faster than oxfmt, and makes bun check 1.4-7.8x faster on large projects. The same release closes 271 issues, migrates Yarn Berry lockfiles, adds install retries with backoff, and cuts Bun.SQL CPU per query by up to 48%.
Velocity 6.3 · Last update 18d ago
Top 12 alternatives to Bun
Ranked by recent ship velocity. Tap any card for the full editorial breakdown, or pivot to a head-to-head.
DEVOPS
Rivet Actors can now fork in 20 ms, SQLite database included, without copying data.
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Sanity's MCP server now explains failed validations and stops skipping them.
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CodeRabbit moves review rules into a .coderabbit/ folder that sits next to the code.
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Aiven moves Grafana to 13 and gives Runtime apps custom domains.
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GitLab's week is guides: Jira tickets to merge requests, and cleaning up leaked agent secrets.
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Tines lets admins grant each product area separately without splitting teams.
DEVOPS
Appsmith 2.7 makes its MCP agent ask before deleting widgets and blocks stale edits.
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Arrow Rust cuts release candidates on three older lines at once.
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Manticore keeps patching 31.x, now fixing a FREEZE crash and a DocID ordering bug.
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Meta Box ships an agent skill so ChatGPT, Claude and Cursor write correct Meta Box code.
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Apache OpenNLP ships 3.0.0 final, closing a milestone track that ran since spring.
Bun vs alternatives — shipping velocity at a glance
Velocity score (0–10) and meaningful releases shipped in the last 30 days, from official changelogs. Higher = shipping faster.
| Product | Velocity | Sparks · 30d | Focus areas | Latest release |
|---|---|---|---|---|
| Bun (baseline) | 6.3 | 0 | javascript-runtimetoolchainformatter | Bun v1.4.3 adds bun check, a built-in TypeScript type checker |
| GitHub | 10.0 | 0 | copilotcode-securityactions | — |
| Rivet | 7.5 | 3 | actorsai agentssqlite | Introducing OpenOrange: Run Cloudflare Workers Anywhere |
| Sanity | 6.3 | 0 | headless cmsmcpai agents | — |
| CodeRabbit | 6.3 | 0 | code-reviewauto-approvalreview-config | — |
| Aiven | 6.3 | 0 | managed-databasesclickhousepostgresql | — |
| GitLab | 6.3 | 1 | ai agentsduo agent platformsecrets | GitLab Orbit is GA: Higher agent accuracy, lower token cost |
| Tines | 5.0 | 0 | security automationpermissionsai governance | — |
| Appsmith | 5.0 | 0 | mcp-serverai agentsinternal-tools | — |
| Apache Arrow Rust | 5.0 | 0 | apache arrowrustparquet | — |
| Manticore Search | 5.0 | 0 | search-engineopen-sourcesql | — |
| Meta Box | 5.0 | 0 | wordpresscustom-fieldsai-coding | — |
| Apache OpenNLP | 5.0 | 0 | nlpjavaonnx | OpenNLP 3.0.0-M5 |
The 12 best Bun alternatives, in depth
1. GitHub · velocity 10.0
GitHub sets a December 8 cutoff for ARM32 Actions runners and opens AI Scan to the API.
Its velocity score of 10.0/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, GitHub focuses on copilot, code security and actions.
GitHub and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
2. Rivet · velocity 7.5
Rivet Actors can now fork in 20 ms, SQLite database included, without copying data.
Over the last 30 days Rivet shipped 3 meaningful updates vs Bun's 0, most recently “Introducing OpenOrange: Run Cloudflare Workers Anywhere”. Its velocity score of 7.5/10 blends that with longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Rivet focuses on actors, ai agents and sqlite.
Over the last 30 days Rivet has been shipping faster than Bun — a point in its favour if release momentum matters to you.
3. Sanity · velocity 6.3
Sanity's MCP server now explains failed validations and stops skipping them.
Its velocity score of 6.3/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Sanity focuses on headless cms, mcp and ai agents.
Sanity and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
4. CodeRabbit · velocity 6.3
CodeRabbit moves review rules into a .coderabbit/ folder that sits next to the code.
Its velocity score of 6.3/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, CodeRabbit focuses on code review, auto approval and review config.
CodeRabbit and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
5. Aiven · velocity 6.3
Aiven moves Grafana to 13 and gives Runtime apps custom domains.
Its velocity score of 6.3/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Aiven focuses on managed databases, clickhouse and postgresql.
Aiven and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
6. GitLab · velocity 6.3
GitLab's week is guides: Jira tickets to merge requests, and cleaning up leaked agent secrets.
Over the last 30 days GitLab shipped 1 meaningful update vs Bun's 0, most recently “GitLab Orbit is GA: Higher agent accuracy, lower token cost”. Its velocity score of 6.3/10 blends that with longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, GitLab focuses on ai agents, duo agent platform and secrets.
Over the last 30 days GitLab has been shipping faster than Bun — a point in its favour if release momentum matters to you.
7. Tines · velocity 5.0
Tines lets admins grant each product area separately without splitting teams.
Its velocity score of 5.0/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Tines focuses on security automation, permissions and ai governance.
Tines and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
8. Appsmith · velocity 5.0
Appsmith 2.7 makes its MCP agent ask before deleting widgets and blocks stale edits.
Its velocity score of 5.0/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Appsmith focuses on mcp server, ai agents and internal tools.
Appsmith and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
9. Apache Arrow Rust · velocity 5.0
Arrow Rust cuts release candidates on three older lines at once.
Its velocity score of 5.0/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Apache Arrow Rust focuses on apache arrow, rust and parquet.
Apache Arrow Rust and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
Full Apache Arrow Rust trajectory → · Compare Bun vs Apache Arrow Rust →
10. Manticore Search · velocity 5.0
Manticore keeps patching 31.x, now fixing a FREEZE crash and a DocID ordering bug.
Its velocity score of 5.0/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Manticore Search focuses on search engine, open source and sql.
Manticore Search and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
Full Manticore Search trajectory → · Compare Bun vs Manticore Search →
11. Meta Box · velocity 5.0
Meta Box ships an agent skill so ChatGPT, Claude and Cursor write correct Meta Box code.
Its velocity score of 5.0/10 reflects longer-term release cadence.
Where Bun leans on javascript runtime, toolchain and formatter, Meta Box focuses on wordpress, custom fields and ai coding.
Meta Box and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
12. Apache OpenNLP · velocity 5.0
Apache OpenNLP ships 3.0.0 final, closing a milestone track that ran since spring.
Its velocity score of 5.0/10 reflects longer-term release cadence; its most recent meaningful update was “OpenNLP 3.0.0-M5”.
Where Bun leans on javascript runtime, toolchain and formatter, Apache OpenNLP focuses on nlp, java and onnx.
Apache OpenNLP and Bun have shipped at a similar pace over the last 30 days, so the decision comes down to fit and feature depth.
Full Apache OpenNLP trajectory → · Compare Bun vs Apache OpenNLP →
Frequently asked questions
What are the best alternatives to Bun?
The top Bun alternatives we currently track in software development tools are GitHub, Rivet, Sanity, CodeRabbit, Aiven, ranked by recent ship velocity.
How is this list of Bun alternatives ranked?
Alternatives are ranked by Sparkpulse's velocity_score — release cadence + 30-day spark count + sector-relative ship rate.
Can I compare Bun directly with one of these alternatives?
Yes — every card has a "Compare with Bun" link to a side-by-side /compare page.