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Ranked on the record · 21 apps

Best Tool Calling 2026

Every product here is ranked by Samsung Mobile US Press's record score: what its maker publishes about it, where it runs (Android first), whether it is free to try, and how recently the facts were read.

01

Vellum suits individuals looking for an AI assistant to handle personal tasks across files, calendars, email, code, and computer controls.

Free plan Open source From $30 a month AndroidiPhone & iPadWebWindowsMacBrowser extension+2
Record6.4 Visit site The record
02

Liner

Liner may suit researchers who need paper discovery and comparison, or professionals who want cited search and writing tools.

AndroidiPhone & iPadWeb+4
Record6.1 Visit
03

Dify

Dify suits teams building AI applications that need configurable workflows, knowledge retrieval or multiple publishing options.

WebWindowsMac+4
Record6.0 Visit
04

Inngest

Inngest suits developers building event-driven workflows, background jobs, or agents who need durable execution and traces.

WebWindowsMac+3
Record5.8 Visit
05

Flowise

Flowise suits developers and teams building agent or LLM workflows who want visual orchestration, deployment choices, and developer access.

WebWindowsMac+3
Record5.5 Visit
6
agentgateway

It suits platform teams and tool-builders managing model, MCP, or agent traffic in self-hosted environments.

WebWindowsMac+3 Free plan Record5.3 Visit
7
Rasa
WebWindowsMac+3 Free plan Record5.3 Visit
8
LLM Gateway

LLM Gateway suits product and platform teams routing model requests across providers.

WebLinuxBrowser extension+2 Free plan Record5.2 Visit
9
Inference Gateway
WebWindowsMac+3 Free plan Record4.8 Visit
10
Langflow
WebWindowsMac+3 Free plan Record4.8 Visit
11
n8n
Self-hosted €20 a month, billed yearly Record4.8 Visit
12
Pipedream

Pipedream suits teams connecting services for AI agents or building automated workflows with code or drag-and-drop tools.

WebAPI $99 a month, billed yearly Record4.8 Visit
13
Google Cloud API Gateway
WebAPI $1.50 a month Record4.7 Visit
14
Kore.ai

Kore.ai is aimed at Global 2000 enterprises and teams building agent systems for sectors such as banking, healthcare, insurance, retail, and service operations.

WebAPISelf-hosted — Record4.0 Visit
15
Gravitee API Management
WebWindowsLinux $2,500 a month Record3.6 Visit
16
Amazon Bedrock Data Automation
API $0.01 usage-based Record3.4 Visit
17
ToolRoute
Web Free plan Record2.8 Visit
18
Kong AI Gateway
Web — Record2.7 Visit
19
Santeon
Web — Record2.4 Visit
20
MCP Gateway
Web — Record2.3 Visit
21
Toolhouse
Web — Record2.3 Visit

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