Alternatives
10 best openSIPS alternatives
Tools that cover the same task as openSIPS (voip), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- openSIPS starts at
- Not listed
- Free plan
- Free to start
- API
- API unknown
- 01
Aiven
Aiven is a managed open-source data platform spanning PostgreSQL, Kafka, OpenSearch, ClickHouse, Grafana, and related services. It targets teams that want cloud-hosted databases and streaming infrastructure with transparent plan-based pricing across major hyperscalers.
Best for: Platform engineers who need managed OSS data services without operating their own Kubernetes database operators.
- 02
Medplum
Medplum is an open-source healthcare developer platform for building and running modern clinical apps on FHIR-native infrastructure. It offers hosted cloud tiers and self-hosted options with bots, integrations, authentication, and compliance features aimed at digital health teams shipping production patient-facing software.
Best for: Healthcare engineering teams building FHIR-based apps who need an open-core platform with hosted or self-managed deployment paths.
- 03
Langfuse
Langfuse is an open-source LLM engineering platform for tracing, evaluating, and improving AI agents with collaborative debugging and metrics. Langfuse Cloud offers hosted Hobby, Core, and Pro tiers metered in observability units.
Best for: AI engineers who need open-source-friendly observability and eval workflows without building tooling in-house.
- 04
Mem0
Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.
Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.
- 05
ZenRows
ZenRows provides web data infrastructure for AI agents and applications, fetching and extracting pages—including JavaScript-heavy or protected sites—through one API with SDKs, CLI, and MCP server interfaces. Teams use credits on successful requests for fetch, extract, batch, crawl, and browser session workflows.
Best for: Data engineers and AI agent builders who need reliable access to dynamic or anti-bot protected web pages.
- 06
Better Auth
Better Auth is a TypeScript authentication framework that lives in your application code with plugins for sessions, social login, organizations, passkeys, API keys, and enterprise SSO. The vendor also sells managed infrastructure with dashboards, audit logs, and security detections while the core framework stays open source.
Best for: Developers building Next.js, Nuxt, SvelteKit, Hono, and other TypeScript apps who want composable auth in code plus optional hosted infrastructure.
- 07
pusher.com
Pusher Channels delivers hosted pub/sub realtime messaging with presence and client libraries for web and mobile apps. The Channels product line targets low-latency events such as notifications, live feeds, and collaborative interfaces without operating websocket infrastructure.
Best for: Product engineers adding live updates, chat, or dashboards who prefer managed websocket delivery over self-hosted brokers.
- 08
Ory
Ory provides identity, authentication, authorization, and OAuth2/OIDC services through Ory Network and related open-source projects such as Kratos, Hydra, and Keto. The commercial site targets CIAM, B2B IAM, fine-grained permissions, passkeys, and enterprise SSO for applications that need scalable, API-first identity infrastructure.
Best for: Product and platform teams replacing Auth0-style stacks or self-hosting Ory components who need hosted Ory Network production environments.
- 09
Chroma
Chroma provides open-source and cloud search infrastructure for AI with vector, full-text, regex, and metadata search backed by object storage. Chroma Cloud adds serverless scaling, SOC 2 controls, and usage-based billing for production workloads.
Best for: Developers building RAG or agent apps who want Apache 2.0 local development with optional managed cloud scaling.
- 10
revogrid
The open-source core is MIT-licensed while RevoGrid Pro adds advanced modules, private packages, and per-developer commercial licenses.
Best for: Front-end teams building dense editable grids, pivots, or schedulers in multiple JavaScript frameworks.
openSIPS alternatives: common questions
What is the best free alternative to openSIPS?
Aiven has an ongoing free plan. Pricing lists a Free plan at $0 per month with a single small VM for evaluation workloads. Free plans change, so check the vendor before relying on one.
What is the cheapest openSIPS alternative?
Aiven has the lowest listed starting price at $5/mo.
Which openSIPS alternatives have an API?
Aiven, Medplum, Langfuse, Mem0, ZenRows mention API or developer access.