Alternatives
10 best Who writes this? alternatives
Tools that cover the same task as Who writes this? (ai agent security), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 7, 2026.
- Who writes this? starts at
- Not listed
- Free plan
- Free to start
- API
- API unknown
- 01
Kompy
Plans meter monthly credits with concurrency and request-rate limits for developers and AI agents.
Best for: Developers and agent builders who need structured Walmart catalog and pricing history without maintaining scrapers.
- 02
Laminar
Laminar is an open-source agent observability platform that captures LLM calls, tool calls, sub-agents, costs, and tokens, then surfaces failures through Signals and clustered failure modes. Hosted plans add retention, data limits, and support tiers for teams shipping production agents.
Best for: Engineering teams running AI agents who need trace visibility, automatic failure detection, and hosted retention without building observability in-house.
- 03
CertiLayer
CertiLayer is behavioral security infrastructure that uses interaction signals and machine-learning models to distinguish human sessions from automated activity. Developers integrate SDKs or APIs, review a human-confidence score and apply configured policies or events without presenting a CAPTCHA on every visit.
Best for: Choose for developers evaluating passive bot-risk signals in a monitored authentication, signup or checkout workflow.
- 04
IntegraBot
IntegraBot automates WhatsApp customer service with Meta-approved AI agents. Businesses configure flows and skills so the agent handles routine conversations on official WhatsApp and escalates to humans when needed, with workspace limits tied to each subscription tier.
Best for: Teams that run support or sales on WhatsApp and want an AI agent on Meta’s official channel with flow automation.
- 05
Quicknode
Quicknode provides blockchain infrastructure including RPC nodes, real-time streams, indexed data, and trading execution from one account. Builders choose credit-based plans with increasing request limits and support SLAs as usage grows.
Best for: Developers and businesses shipping on-chain apps who need managed nodes, streams, and scalable RPC throughput.
- 06
Authgear
Authgear is an open-source customer and workforce identity platform from Skymakers. It delivers passkeys, passwordless OTP, SAML SSO, adaptive MFA, RBAC, and user management on Authgear Cloud, customer VPC, or self-hosted deployments with data sovereignty options.
Best for: Teams replacing legacy CIAM vendors who need every login method on every tier and portable user exports.
- 07
FormSpree
Developers point forms at Formspree URLs instead of maintaining their own form backends.
Best for: Front-end developers and agencies that need managed form endpoints with spam protection and workflow integrations.
- 08
Avo Admin for Rails
Avo is a Rails admin panel framework that mounts inside existing apps and maps models to CRUD interfaces, filters, actions, and authorization in Ruby. Teams use it to replace bespoke admin builds with configurable resources, dashboards, and optional AI-agent integrations.
Best for: Rails teams shipping internal tools, back-office panels, or customer support consoles without writing admin UI from scratch.
- 09
Flezr
Flezr is a no-code site builder that publishes thousands of dynamic pages from Google Sheets or Supabase data. Visual card designers, search and multi-select filters, HTML blocks, and template libraries help agencies launch data-driven directories without writing backend code.
Best for: Agencies and businesses that maintain structured data in spreadsheets or Supabase and need scalable SEO-friendly web listings.
- 10
dlvr.sh
dlvr.sh is a developer-first temporary file sharing service positioned as a WeTransfer alternative for AI agents and automation. It offers short links, expiry controls, passwords, download limits, and API, MCP, and CLI access for delivering large files without long-term storage contracts.
Best for: Developers, agencies, and agent workflows that need expiring, password-protected file handoffs with programmatic uploads.
Who writes this? alternatives: common questions
What is the best free alternative to Who writes this??
Laminar has an ongoing free plan. Free tier is $0 per month with 1 GB data, a one-time $5 Signals credit, 7-day retention, one project, and one seat. Free plans change, so check the vendor before relying on one.
What is the cheapest Who writes this? alternative?
dlvr.sh has the lowest listed starting price at $8/mo.
Which Who writes this? alternatives have an API?
Kompy, CertiLayer, IntegraBot, Quicknode, Authgear mention API or developer access.