3,929 tools
Free planResearch
IntoDNS.ai scans domains for DNS and email security posture, reporting SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI, blacklists, and related web security signals. It offers deterministic checks plus AI-assisted explanations and optional domain monitoring with email alerts.
Free planCode
InvenTree is an open-source inventory management system for parts, stock, suppliers, and bills of materials. It targets businesses and hobbyists with plugin extensibility, manufacturing workflows, and documentation for self-hosted deployments.
Free tier unknownAssistant
Invertix builds AI agents for energy infrastructure that connect operational data and coordinate monitoring, investigation, and work across teams. The company targets energy operations, asset management, and data-center workflows grounded in each customer’s systems and procedures.
Free tier unknownCode
Inviscid AI builds Reynolds, an agentic physics simulation harness that configures, runs, and interprets real CFD and related solvers. The company targets data centers, buildings, subsurface energy, and pipeline workflows with simulations marketed as far faster than traditional manual CFD setups.
Free planCode
Inweave lets builders design AI behavior in a workspace and deploy it as a callable API endpoint for automations, scripts, and workflows. Blueprints define model logic that teams can invoke consistently from external systems without rebuilding prompts each time.
Free planDeveloper tools
Ionide is an organization building cross-platform F# developer tools, best known for the Ionide Visual Studio Code extension with over one million downloads. The ecosystem also includes analyzers, language server components, and documentation tooling.
Free planResearch
Ip2Geo is a developer-focused IP-to-geolocation cloud service that converts IPv4 and IPv6 addresses into country, city, ISP, ASN, and timezone data via REST or typed SDKs. The homepage highlights a dashboard, usage analytics, team access, and SDK support for Node.js, Bun, and Deno.
Free planGeolocation API
IP2Location.io provides IP geolocation, proxy detection, and related APIs including bulk queries, WHOIS, and hosted domain lookups. Subscription plans scale monthly query allotments for geolocation, WHOIS, and hosted domain endpoints.
Free planResearch
IP-API provides a geolocation API that returns city, region, ISP, timezone, and threat hints for IPv4 and IPv6 addresses. A free endpoint serves non-commercial lookups without API keys, while paid Pro and Enterprise tiers add commercial usage, SSL, and support options.
Free planResearch
ipapi.is is an IP intelligence API that combines geolocation with VPN, proxy, Tor, hosting, ASN, company, and abuse signals. The site offers 1,000 free daily requests with commercial use allowed, plus optional pay-as-you-go credits and a self-hosted server subscription.
Free planResearch
ipbase.com provides an IP geolocation API that returns country, city, timezone, ISP, ASN, and security flags such as VPN, proxy, and Tor indicators in JSON. The site also promotes ASN, reverse IP, and VPN detection APIs plus batch lookups for production apps.
Free tier unknownResearch
IP.City offers a JSON geolocation API that maps IPv4 and IPv6 addresses to city, region, country, and ISP fields for integration into web backends. The homepage demonstrates live lookups and documents simple HTTP access patterns for developers.
Free planResearch
IPGeolocation.io provides IP geolocation, timezone, user-agent, security, and database products billed in API credits. Developers can start on a free daily credit tier and scale through Starter, Plus, Pro, Business, and Premium credit bundles with documented overage rules.
Free planResearch
Abstract IP Geolocation API resolves IPv4 and IPv6 addresses to city, region, country, timezone, and VPN-related flags. The product page advertises a free tier, sub-20 millisecond responses, and daily updates across a multi-billion-address dataset for fraud, personalization, and compliance workflows.
Free planResearch
IPinfo delivers IP data intelligence for developers and enterprises, packaging geolocation, ASN, privacy, carrier, and company datasets into tiered API products. The homepage demonstrates rich JSON responses and positions Lite, Core, Max, and Enterprise offerings for different accuracy needs.
Free planResearch
IPLocate.io offers a real-time IP geolocation and threat-data API plus downloadable geolocation databases. The platform advertises free daily API usage, proxy and VPN detection, hosting and company enrichment, and tools for cybersecurity and personalization use cases.
Free planResearch
IPTrace provides a high-availability IP geolocation API for locating users, enriching experiences, and supporting fraud and compliance checks. The service emphasizes reliable performance and tiered monthly lookup volumes on its pricing page.
Free planCode
iRedMail is a free open-source mail server solution that bundles components to deploy a full-featured email stack on Linux or BSD. It emphasizes privacy, TLS-by-default client access, webmail, optional groupware, and unlimited mail accounts on your hardware.
Free planImages
Ironfang Render is a rendering API for screenshots, PDFs, generated images, QR codes, and video from one platform. The product page advertises 500 free screenshots each month and pay-as-you-go billing with configurable spend limits after the free allowance.
Free trialPDF library
IronPDF is Iron Software’s .NET library for creating, editing, and securing PDFs in C# applications. Licensing options include a monthly subscription with API usage limits and separate perpetual license tiers for longer-term deployments.
Free planResearch
Is It Disposable detects disposable email addresses at signup using DNS-level checks without SMTP probing.
Free tier unknownAssistant
Isoquant provides optimized inference APIs for open models with published per-token pricing, low latency benchmarks, and OpenAI-compatible chat completion endpoints. Enterprise offerings include workload-specific model tuning, evaluations, and deployment of trained specialists.
Free planCode
isroot.in gives developers free yourname.isroot.in subdomains with simple DNS management for A, CNAME, and MX records. The service targets students and indie hackers with instant updates, community support, and one-year domain validity with renewal reminders.
Free tier unknownAssistant
item is an AI-native CRM replacement that unifies customer context from more than 100 tools and pairs a conversational assistant with autonomous agents. Teams describe processes in documents that become agents executing sales, support, and success workflows with tables, kanban views, enrichment, and lead discovery.
Showing 2,352 of 3,929 tools
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