
Ably
Realtime data delivery platform for pub/sub messaging at scale
- Web
- iOS
- Android
- +1
2 alternatives · 3 questions answered
The directory
21 products matching your filters. Each one described on the same fields, so two tools can be read against each other rather than against their own marketing.
Showing 1–21 of 21

Realtime data delivery platform for pub/sub messaging at scale
2 alternatives · 3 questions answered

GraphQL platform and API orchestration layer for building unified graphs
2 alternatives · 3 questions answered

Specification and tools for defining asynchronous APIs
2 alternatives · 4 questions answered

Open-source data platform providing REST and GraphQL APIs
4 alternatives · 5 questions answered

Complete platform for building GraphQL APIs
4 alternatives · 3 questions answered

Powerful Node.js headless CMS framework and API platform
4 alternatives · 3 questions answered

Open-source and cloud API gateway for managing microservices traffic
2 alternatives · 3 questions answered

Realtime collaboration infrastructure for building multiplayer features
2 alternatives · 3 questions answered

API analytics and monitoring platform for tracking API usage and customers
2 alternatives · 3 questions answered

Open-source Backend as a Service platform with REST and GraphQL APIs
3 alternatives · 5 questions answered

Modern TypeScript-first headless CMS with REST and GraphQL APIs
4 alternatives · 3 questions answered

Modern ORM and API client for Node.js and TypeScript
4 alternatives · 3 questions answered

Realtime communication platform for chat, IoT, and live data apps
2 alternatives · 3 questions answered

Realtime messaging API for building live features into apps
2 alternatives · 3 questions answered

API gateway built on Project Reactor for building microservices
4 alternatives · 2 questions answered

Generates client SDKs, API docs, and MCP servers from an OpenAPI spec
2 alternatives · 3 questions answered

Headless CMS with REST and GraphQL APIs
4 alternatives · 3 questions answered

API design and documentation platform for building, testing, and managing APIs
4 alternatives · 2 questions answered

API specification and documentation framework using OpenAPI standard
4 alternatives · 4 questions answered

API observability, security, and governance platform
2 alternatives · 3 questions answered

Complete API management platform for designing and managing APIs
4 alternatives · 4 questions answered
Head to head
Pairings from this slice of the directory, each one checked by two reviewers who agreed a buyer would weigh the two against each other.
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How this works
Pricing, platforms and feature lists are taken from each vendor's own pages. Limitations, answered questions and alternatives are researched separately and carry a source URL on the page that states them. Every product is described on the same fields, so two tools can be read against each other rather than against their own marketing.
Because we did not collect any. Softwr hosts no reviews, and a rating aggregated from somewhere else is not ours to publish as though it were an assessment we made. What is shown instead is what a tool costs, where it runs, and what it is concretely bad at.
A researcher proposes them, then two independent reviewers judge one question each: would a buyer evaluating this product seriously consider that one instead. 225 of 1,841 candidates failed and were deleted, including a font inspector matched to a dark mode extension. Only pairings that survived both rounds are published.
Not to be listed. A vendor can buy a place in the results on the home page, on a category listing or on the catalogue, and where they do the result carries a Sponsored label. Everything not carrying that label is ordered on the same criteria as everything else, and a paid place never changes where an unpaid one lands: the editorial order flows around it. Where a link earns a commission that is disclosed on the page carrying it.
Prices and plan limits move without notice, so treat anything with a number on it as a starting point and check the vendor before you buy. Where a claim could go stale it carries the source it came from, which is the fastest way to tell.
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Anyone can submit a tool. A person reads every submission, checks the pricing against the vendor’s own page, and nothing is published until it passes.