# Bruno vs urllib3

| Attribute | Bruno | urllib3 |
|---|---|---|
| **vioscaleAI score** | 63.3 (65% (medium)) | 59.5 (60% (medium)) |
| activity.commits_last_30d | 100 | 26 |
| adoption.dependent_repos | 1 | 422,295 |
| adoption.github_stars | 47,596 | 4,071 |
| adoption.package_downloads_weekly | 262,968 | - |
| content.faq | `[{"answer":"Open-source API client that stores collections as plain-text code files in your repository, integrating with Git workflows and running entirely on your local machine. It is indexed under API Development Tools.","source":"https://www.usebruno.com/pricing","question":"What is Bruno?","confidence":0.6},{"answer":"Bruno is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. A commercial or hosted edition starts at $6 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.usebruno.com/pricing","question":"Is Bruno free to use?","confidence":0.6},{"answer":"Bruno supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.usebruno.com/pricing","question":"What platforms does Bruno support?","confidence":0.6},{"answer":"Yes. Bruno can be deployed on-premise, air-gapped and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.usebruno.com","question":"Can Bruno be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Bruno, including Vault, AWS Secrets Manager and OpenAPI. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.usebruno.com/pricing","question":"What does Bruno integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 for Bruno. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Bruno not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.usebruno.com","question":"What security certifications does Bruno have?","confidence":0.48},{"answer":"Yes. Bruno is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/usebruno/bruno","question":"Is Bruno open source?","confidence":0.99},{"answer":"Bruno is available worldwide. Its primary market is the United States.","source":"https://www.usebruno.com/pricing","question":"Where is Bruno available?","confidence":0.5}]` | `[{"answer":"urllib3 is a Python HTTP client library that enables applications to make HTTP requests with built-in support for connection pooling, SSL/TLS verification, proxy support, automatic retries, and response compression. It handles the complexities of HTTP communication while simplifying integration into Python projects.","source":"https://urllib3.readthedocs.io","question":"What is urllib3?","confidence":0.95},{"answer":"urllib3 provides thread-safe connection pooling to reuse HTTP connections, client-side TLS/SSL certificate verification for secure connections, built-in proxy support, automatic retry logic for failed requests, and transparent compression handling. These features reduce overhead and improve reliability for HTTP communication.","source":"https://urllib3.readthedocs.io","question":"What are the main technical features of urllib3?","confidence":0.95},{"answer":"Yes, urllib3 is free and open source software with no licensing costs. Optional professional support is available through a Tidelift Subscription for organizations that need dedicated assistance.","source":"https://urllib3.readthedocs.io","question":"Is urllib3 free to use?","confidence":0.95},{"answer":"urllib3 is designed for Python developers and organizations building Python applications that require HTTP client functionality. It's particularly useful for teams needing reliable connection management, security verification, and automated retry handling in their HTTP interactions.","source":"https://urllib3.readthedocs.io","question":"Who should consider using urllib3?","confidence":0.85},{"answer":"urllib3 is a self-hosted library that you integrate directly into your Python application; there are no external services to manage. It runs within your application's Python environment as a dependency.","source":"https://urllib3.readthedocs.io","question":"How is urllib3 deployed?","confidence":0.9},{"answer":"Yes, urllib3 includes REST client capabilities, making it suitable for applications that need to consume HTTP APIs and build client applications that communicate with remote services.","source":"https://urllib3.readthedocs.io","question":"Can urllib3 be used to build REST API clients?","confidence":0.85},{"answer":"urllib3 provides comprehensive API documentation for developers. The documentation is accessible at the project website and covers library features, usage patterns, and integration guidance.","source":"https://urllib3.readthedocs.io","question":"Is documentation available for urllib3?","confidence":0.85}]` |
| deployment.options | `{"air_gapped":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source, offline-first API client that stores API collections as plain text files and integrates with Git for version control. It supports HTTP, REST, GraphQL, and gRPC requests without requiring cloud accounts or per-user licensing. | urllib3 is an HTTP client library for Python that adds essential features not available in the standard library, particularly client-side TLS/SSL certificate verification and robust connection management. |
| features.capabilities | `{"api_docs":true,"mock_server":true,"rest_client":true,"grpc_support":true,"collaboration":true,"ci_integration":true,"openapi_import":true,"graphql_support":true,"automated_testing":true}` | `{"api_docs":true,"rest_client":true}` |
| integrations.count | 7 | 2 |
| integrations.list | `[{"name":"Vault"},{"name":"Azure Key Vault"},{"name":"AWS Secrets Manager"},{"name":"OpenAPI"},{"name":"Git","native":true,"category":"version_control","direction":"bidirectional"},{"name":"Postman","native":false,"category":"api_client","direction":"inbound"},{"name":"Insomnia","native":false,"category":"api_client","direction":"inbound"},{"name":"Swagger 2.0","native":false,"category":"api_specification","direction":"inbound"},{"name":"HashiCorp Vault","native":false,"category":"secrets_management","direction":"inbound"},{"name":"OpenAPI / Swagger","native":true,"direction":"bidirectional"}]` | `[{"name":"Requests"},{"name":"pip"}]` |
| language.primary | JavaScript | Python |
| license.spdx | MIT | MIT |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | - |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source","summary":"Free, open source","features":["API Client (HTTP, REST, GraphQL, gRPC)","Testing","Documentation","Scripting","Secret Management","Code Generation","History","Native Git Integration","Public Git Providers","2 Workspaces","GitUI (clone, init, diffs, pull, push, branch, stash, merge)"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free and open-source edition for individual developers","contactSales":false},{"free":false,"name":"Pro","summary":"$6/user/month, billed annually","features":["All Open Source features","AI Assistant","Public + Private Git Providers","Unlimited Workspaces","Secret Manager Integration (Vault, Azure, AWS)","Collection Runner (unlimited)","Data Driven Testing","Report Generation","OpenAPI/OAS Import (5/month)","Email & Chat Support","48-hour Support SLA"],"commitment":"annual","components":[{"kind":"per_unit","unit":"user","amount":6,"period":"month","currency":"USD"}],"description":"For teams using Bruno as their primary API tool with Git-based workflows","contactSales":false},{"free":false,"name":"Ultimate","summary":"$11/user/month, billed annually","features":["All Pro features","Unlimited OpenAPI/OAS Import","Collection to OAS Generation","User Management (unlimited admins)","CSV Upload","Audit Logs","SSO / SAML","SCIM Provisioning","AI Governance","Dedicated Account Manager","24-hour Support SLA","Custom Terms of Service","Custom Data Processing Agreement","Custom Security Review"],"commitment":"annual","components":[{"kind":"per_unit","unit":"user","amount":11,"period":"month","currency":"USD"}],"description":"Enterprise-grade features and support for large organizations standardizing Bruno","contactSales":false}],"summary":"Free open source edition or $6–11/user/month billed annually. 14-day free trial of Ultimate available.","currency":"USD","freeTier":true,"sourceUrl":"https://www.usebruno.com/pricing","retrievedAt":"2026-08-14T13:43:10.470Z","freeTrialDays":14,"startingPrice":{"amount":6,"period":"month","currency":"USD"},"billingPeriods":["year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://urllib3.readthedocs.io","retrievedAt":"2026-08-14T11:08:00.574Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":6,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.cadence_days | 8 | 27 |
| release.history | `[{"url":"https://github.com/usebruno/bruno/releases/tag/v4.2.1","date":"2026-09-30T13:52:52Z","type":"stable","version":"v4.2.1"},{"url":"https://github.com/usebruno/bruno/releases/tag/v4.2.0","date":"2026-09-23T14:25:55Z","type":"stable","version":"v4.2.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v4.1.0","date":"2026-08-20T14:09:37Z","type":"stable","version":"v4.1.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v4.0.0","date":"2026-07-23T17:26:41Z","type":"stable","version":"v4.0.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.5.3","date":"2026-07-20T11:58:24Z","type":"stable","version":"v3.5.3"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.5.2","date":"2026-07-13T14:44:00Z","type":"stable","version":"v3.5.2"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.5.1","date":"2026-07-02T09:50:18Z","type":"prerelease","version":"v3.5.1"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.5.0","date":"2026-06-23T15:50:06Z","type":"stable","version":"v3.5.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.4.2","date":"2026-05-26T17:00:33Z","type":"stable","version":"v3.4.2"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.4.1","date":"2026-05-21T08:33:24Z","type":"stable","version":"v3.4.1"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.4.0","date":"2026-05-20T17:00:57Z","type":"stable","version":"v3.4.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.3.0","date":"2026-04-22T17:00:24Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.2.2","date":"2026-04-03T14:50:45Z","type":"stable","version":"v3.2.2"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.2.0","date":"2026-03-18T18:58:31Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.1.4","date":"2026-02-24T22:12:09Z","type":"stable","version":"v3.1.4"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.1.3","date":"2026-02-20T12:51:01Z","type":"stable","version":"v3.1.3"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.1.2","date":"2026-02-18T14:50:51Z","type":"stable","version":"v3.1.2"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.1.1","date":"2026-02-17T11:45:03Z","type":"stable","version":"v3.1.1"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.1.0","date":"2026-02-16T15:57:20Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/usebruno/bruno/releases/tag/v3.0.2","date":"2026-01-07T20:05:43Z","type":"stable","version":"v3.0.2"}]` | `[{"url":"https://github.com/urllib3/urllib3/releases/tag/2.8.0","date":"2026-09-15T19:40:51Z","type":"stable","version":"2.8.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.7.0","date":"2026-05-07T16:32:49Z","type":"stable","version":"2.7.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.3","date":"2026-01-07T16:30:23Z","type":"stable","version":"2.6.3"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.2","date":"2025-12-11T15:59:07Z","type":"stable","version":"2.6.2"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.1","date":"2025-12-08T15:27:19Z","type":"stable","version":"2.6.1"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.6.0","date":"2025-12-05T15:18:06Z","type":"stable","version":"2.6.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.5.0","date":"2025-06-18T14:19:56Z","type":"stable","version":"2.5.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.4.0","date":"2025-04-10T15:22:59Z","type":"stable","version":"2.4.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.3.0","date":"2024-12-22T07:44:15Z","type":"stable","version":"2.3.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.3","date":"2024-09-12T10:50:28Z","type":"stable","version":"2.2.3"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.20","date":"2024-08-29T15:41:42Z","type":"stable","version":"1.26.20"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.2","date":"2024-06-17T08:19:23Z","type":"stable","version":"2.2.2"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.19","date":"2024-06-17T17:19:36Z","type":"stable","version":"1.26.19"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.1","date":"2024-02-18T03:55:18Z","type":"stable","version":"2.2.1"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.2.0","date":"2024-01-30T15:17:27Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.1.0","date":"2023-11-13T12:29:03Z","type":"stable","version":"2.1.0"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.0.7","date":"2023-10-17T17:46:02Z","type":"stable","version":"2.0.7"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.18","date":"2023-10-17T17:46:31Z","type":"stable","version":"1.26.18"},{"url":"https://github.com/urllib3/urllib3/releases/tag/2.0.6","date":"2023-10-02T17:21:44Z","type":"stable","version":"2.0.6"},{"url":"https://github.com/urllib3/urllib3/releases/tag/1.26.17","date":"2023-10-02T17:21:47Z","type":"stable","version":"1.26.17"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | - | 8.6 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40usebruno%2Fcli&per_page=100","last_12m":1,"max_severity":"CRITICAL"}` | `{"count":22,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=urllib3&per_page=100","last_12m":8,"max_severity":"CRITICAL"}` |

## Capabilities (API Development Tools)

| Capability | Bruno | urllib3 |
|---|:--:|:--:|
| **Core** |  |  |
| REST client | ✓ | ✓ |
| GraphQL support | ✓ | - |
| gRPC support | ✓ | - |
| **Design** |  |  |
| Mock servers | ✓ | - |
| **Testing** |  |  |
| Automated / contract testing | ✓ | - |
| **Collaboration** |  |  |
| Team collaboration & sharing | ✓ | - |
| **Docs** |  |  |
| Doc generation | ✓ | ✓ |
| **Standards** |  |  |
| OpenAPI / spec import | ✓ | - |
| **Ops** |  |  |
| CI integration / CLI | ✓ | - |

*Source: vioscaleAI. Generated 2026-10-16T19:04:42.183Z. "-" = undocumented, not absent.*