Alternatives
10 best Thirdlayer alternatives
Tools that cover the same task as Thirdlayer (code), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Thirdlayer starts at
- Not listed
- Free plan
- Free tier unknown
- API
- API available
- 01
Kilvin
Kilvin is an AI-native software agency and workspace platform that builds custom internal apps for teams instead of forcing generic SaaS templates. Customers use a shared secure workspace with databases, file storage, access controls, and an embedded build agent, or hire Kilvin engineers for managed delivery.
Best for: AI-forward teams needing bespoke internal tools, dashboards, and workflows hosted in a private Kilvin workspace.
- 02
Frontly
Frontly is a no-code platform for building custom business apps backed by spreadsheets or databases with AI credits for generation tasks. Plans scale by monthly operations, AI credits, and branded app limits.
Best for: Teams prototyping internal tools and customer portals without engineering-heavy app projects.
- 03
Party
Party is a Y Combinator-backed workspace where product teams and fleets of coding agents build in the open together. Teams describe work in natural language, coordinate humans and agents in one thread, and ship previews with Mac, iOS, and Android clients.
Best for: Product and engineering teams that want a shared agentic workspace instead of siloed AI chats.
- 04
Frederick
Frederick provides AI agents that build software, run background jobs, and operate browser sessions on behalf of startup teams. The product bundles coding agents, scheduled background workers, shared multiplayer workspaces, and hosted compute so founders can ship apps and automate go-to-market tasks from one control plane.
Best for: Founders and small teams who want autonomous coding, browser, and background agents instead of stitching separate dev and ops tools.
- 05
Akon Labs
Akon Labs builds GitNexus, a self-hosted knowledge graph that indexes codebases into symbols, call chains, clusters, and blast-radius analysis for AI coding agents. Open source covers local indexing while GitNexus Enterprise adds managed SaaS review features.
Best for: Engineering teams using Claude Code, Cursor, or Codex who need deterministic code graphs instead of grep-only context.
- 06
Quickchat AI
Quickchat AI builds custom AI agents for customer support, sales, ecommerce, and internal helpdesks across web chat, WhatsApp, Slack, Shopify, and major CRMs. Teams design knowledge bases, actions, and channel deployments with transparent credit-based subscription tiers.
Best for: Startups and enterprises automating support, lead qualification, or ecommerce conversations on multiple messaging channels.
- 07
PropelAuth
PropelAuth provides authentication and org management built for B2B and AI-native products. The platform covers hosted login UIs, SAML and enterprise SSO, RBAC, API keys, and MCP authentication so teams can ship secure multi-tenant apps faster.
Best for: B2B SaaS and AI-native companies that need multi-tenant auth, enterprise SSO, and org management without building it in-house.
- 08
Softr
Softr helps teams build client portals, internal tools, and lightweight apps on top of databases with AI app generation, forms, workflows, MCP-connected agents, and mobile views. Builders connect Airtable, SQL, and other sources, then publish authenticated experiences without custom front-end code.
Best for: Ops teams and startups that need gated portals and internal tools on live business data without hiring full-stack developers.
- 09
Emergent
Emergent is an AI app builder where users describe web and mobile products in conversation and agents design, code, and deploy full-stack experiences. The platform advertises credits for builds, GitHub integration on paid tiers, private hosting, and templates for websites, dashboards, CRMs, and SaaS products.
Best for: Founders, agencies, and product teams who want to vibe-code production web and mobile apps through chat rather than manual scaffolding.
- 10
Glide
Glide is an AI app builder that turns spreadsheets and business data into internal apps, portals, and agents on GlideOS. Teams publish role-specific views, enable workflows, and purchase credit-based plans for AI features, integrations, and larger member counts.
Best for: Operations teams replacing spreadsheet workflows with shareable internal apps and lightweight AI agents.
Thirdlayer alternatives: common questions
What is the best free alternative to Thirdlayer?
Kilvin has an ongoing free plan. Free plan is $0 forever with up to five users, 2 GB file storage, 2,500 database rows, and a one-time $10 AI usage pool. Free plans change, so check the vendor before relying on one.
What is the cheapest Thirdlayer alternative?
Quickchat AI has the lowest listed starting price at $9/mo.
Which Thirdlayer alternatives have an API?
Party, Akon Labs, Quickchat AI, PropelAuth, Softr mention API or developer access.