# Top Free Network Access Control Software Researched and written by [Brandon Summers-Miller](https://research.g2.com/insights/author/brandon-summers-miller) Check out our list of free Network Access Control Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features. If you'd like to see more products and to evaluate additional feature options, compare all [Network Access Control Software](https://www.g2.com/categories/network-access-control-nac) to ensure you get the right product. ## How Many Network Access Control Software Products Does G2 Track? **Total Products under this Category:** 74 ### Category Stats (Jul 2026) - **Average Rating:** 4.43/5 The average rating of products in this category, based on all submitted ratings _Last updated: July 02, 2026_ ## How Does G2 Rank Network Access Control Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 1,900+ Authentic Reviews - 74+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. ## Featured Network Access Control Software At A Glance [ **Free Plan Available:** ![Foxpass by Splashtop](data:image/svg+xml;base64,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 "Foxpass by Splashtop") Foxpass by Splashtop Sponsored: You’re seeing this ad based on the product’s relevance to this page. Sponsored content does not receive preferential treatment in any of G2’s ratings. ](javascript:void(0)) **Leader:** [Portnox](https://www.g2.com/products/portnox/reviews) **Highest Performer:** [Twingate](https://www.g2.com/products/twingate/reviews) **Easiest to Use:** [HPE Aruba Networking SSE](https://www.g2.com/products/aruba-a-hewlett-packard-enterprise-company-hpe-aruba-networking-sse/reviews) **Top Trending:** [Foxpass by Splashtop](https://www.g2.com/products/foxpass-by-splashtop/reviews) **Best Free Software:** [SecureW2 JoinNow](https://www.g2.com/products/securew2-joinnow/reviews) ### [SecureW2 JoinNow](https://www.g2.com/products/securew2-joinnow/reviews) [By SecureW2](https://www.g2.com/sellers/securew2) [ (96)4.7 out of 5 ](https://www.g2.com/products/securew2-joinnow/reviews#reviews "Read SecureW2 JoinNow Reviews") Product Description SecureW2 is a cloud-native authentication solution designed to enhance security by eliminating credential compromise through its innovative JoinNow Platform. This platform combines Dynamic Public Key **Industries:** Primary/Secondary Education, Computer Software · **Market Segment:** 55% Mid-Market, 41% Enterprise ProsCustomer Support, Reliability, Security, Setup Ease, Authentication ConsPerformance Issues, Complex Setup, Expensive, Poor Documentation, Inaccuracy Year Founded 2014 HQ Location Seattle, US Company Website https://www.securew2.com/ Twitter @SecureW2 LinkedIn® Page https://www.linkedin.com/company/securew2/ ### [Foxpass by Splashtop](https://www.g2.com/products/foxpass-by-splashtop/reviews) [By Splashtop Inc.](https://www.g2.com/sellers/splashtop-inc) [ (60)4.6 out of 5 ](https://www.g2.com/products/foxpass-by-splashtop/reviews#reviews "Read Foxpass by Splashtop Reviews") Product Description Foxpass Cloud RADIUS by Splashtop is a fully managed, cloud-hosted RADIUS authentication service designed to provide secure, passwordless access to Wi-Fi networks, VPNs, and various network infrastruc **Users:** IT Manager · **Industries:** Computer Software, Internet · **Market Segment:** 70% Mid-Market, 23% Small-Business ProsEase of Use, Performance Efficiency, Reliability, Setup Ease, Customer Support ConsExpensive, Limited OS Compatibility, Poor Interface Design, Poor Navigation, UX Improvement Year Founded 2006 HQ Location Cupertino, CA Company Website https://www.splashtop.com Twitter @splashtop LinkedIn® Page https://www.linkedin.com/company/1944335/ [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) ### [Twingate](https://www.g2.com/products/twingate/reviews) [By Twingate Inc.](https://www.g2.com/sellers/twingate-inc) [ (76)4.7 out of 5 ](https://www.g2.com/products/twingate/reviews#reviews "Read Twingate Reviews") Product Description Twingate is a secure remote access solution for an organization’s private applications, data, and environments, whether they are on-premise or in the cloud. Built to make the lives of DevOps teams, IT **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 53% Mid-Market, 42% Small-Business ProsSecurity, Ease of Use, Device Connectivity, Protection, Secure Access ConsPerformance Issues, Update Issues, Complex Configuration, Complex Implementation, Complex Setup HQ Location Redwood City, California Company Website https://www.twingate.com Twitter @TwingateHQ LinkedIn® Page https://www.linkedin.com/company/twingate/about ### [Coro Cybersecurity](https://www.g2.com/products/coro-cybersecurity/reviews) [By Coronet](https://www.g2.com/sellers/coronet) [ (232)4.7 out of 5 ](https://www.g2.com/products/coro-cybersecurity/reviews#reviews "Read Coro Cybersecurity Reviews") Product Description Coro is the easy cybersecurity company. We designed an all-in-one platform that every lean IT team will master. While other solutions scare people into buying complicated, confusing products, we lead **Users:** IT Manager, IT Director · **Industries:** Non-Profit Organization Management, Financial Services · **Market Segment:** 56% Mid-Market, 36% Small-Business User SentimentHow are these determined? Users frequently mention the ease of use, the intuitive design, the quick setup, and the dedicated customer success team that provides support and helps with system implementation. Reviewers experienced issues with the sensitivity of PII, PHI, PCI detection leading to false positives, compatibility issues with some macOS versions, and a lack of individual configuration options for filters. ProsEase of Use, Security, Customer Support, Protection, Easy Setup ConsPerformance Issues, Improvements Needed, False Positives, Inaccuracy, Limited Features Year Founded 2014 HQ Location Chicago, IL Company Website https://www.coro.net Twitter @coro\_cyber LinkedIn® Page https://www.linkedin.com/company/coronet ### [EZRADIUS](https://www.g2.com/products/ezradius/reviews) [By Keytos](https://www.g2.com/sellers/keytos) [ (19)4.8 out of 5 ](https://www.g2.com/products/ezradius/reviews#reviews "Read EZRADIUS Reviews") Product Description EZRADIUS by Keytos is a cloud RADIUS service that helps IT and security teams authenticate users and devices on Wi-Fi, VPN, and wired networks without running on-premises RADIUS infrastructure. Built **Market Segment:** 53% Mid-Market, 37% Enterprise Year Founded 2021 HQ Location Boston, US Company Website https://www.keytos.io LinkedIn® Page http://www.linkedin.com/company/keytossecurity ### [threatER](https://www.g2.com/products/threater/reviews) [By threatER](https://www.g2.com/sellers/threater) [ (37)4.8 out of 5 ](https://www.g2.com/products/threater/reviews#reviews "Read threatER Reviews") Product Description threatER is the leading preemptive cybersecurity platform for building and maintaining trust at scale. Our SaaS solution continuously learns from all available data, allowing you to gain better insigh **Market Segment:** 59% Mid-Market, 30% Enterprise ProsEase of Use, Performance Efficiency, Security, Setup Ease, Threat Protection ConsPerformance Issues, Compatibility Issues, False Positives, Access Control, Access Issues HQ Location Tysons, Virginia Company Website https://www.threater.com/ LinkedIn® Page https://www.linkedin.com/company/threater/ ### [MetaAccess](https://www.g2.com/products/opswat-metaaccess/reviews) [By OPSWAT](https://www.g2.com/sellers/opswat) [ (14)3.9 out of 5 ](https://www.g2.com/products/opswat-metaaccess/reviews#reviews "Read MetaAccess Reviews") Product Description Zero-Trust Access (ZTA), an approach that considers all entities untrusted by default, is rapidly becoming the industry standard and being mandated by regulatory bodies including governments. Leveragi **Industries:** Information Technology and Services · **Market Segment:** 43% Mid-Market, 36% Enterprise Year Founded 2002 HQ Location Tampa, Florida Company Website https://www.opswat.com Twitter @OPSWAT LinkedIn® Page https://www.linkedin.com/company/opswat/ ### [UTunnel VPN and ZTNA](https://www.g2.com/products/utunnel-vpn-and-ztna/reviews) [By Secubytes LLC](https://www.g2.com/sellers/secubytes-llc) [ (24)4.8 out of 5 ](https://www.g2.com/products/utunnel-vpn-and-ztna/reviews#reviews "Read UTunnel VPN and ZTNA Reviews") Product Description UTunnel offers scalable Cloud VPN and Zero-Trust Network Access (ZTNA) solutions that enable secure connectivity and seamless remote access to your business network resources. With automated deploymen **Industries:** Information Technology and Services · **Market Segment:** 71% Small-Business, 25% Mid-Market ProsEase of Use, Secure Access, Access Management, Affordable, Easy Setup ConsExpensive, Firewall Issues, Installation Issues, Lack of Guidance, Poor Documentation Year Founded 2019 HQ Location West Chester, Pennsylvania Company Website https://www.utunnel.io/ LinkedIn® Page https://www.linkedin.com/company/30253428 ### [DCImanager](https://www.g2.com/products/dcimanager/reviews) [By ISPsystem LTD](https://www.g2.com/sellers/ispsystem-ltd) [ (11)4.8 out of 5 ](https://www.g2.com/products/dcimanager/reviews#reviews "Read DCImanager Reviews") Product Description DCImanager is a platform for automation of dedicated server provisioning to clients and management of the entire multivendor IT infrastructure in a single interface. DCImanager allows working with rac **Market Segment:** 64% Small-Business, 36% Mid-Market Year Founded 2004 HQ Location Cyprus Company Website https://www.ispsystem.com Twitter @ISPsystem LinkedIn® Page https://www.linkedin.com/company/2852518 ### [ThreatLocker Zero Trust Platform](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews) [By Threatlocker Inc](https://www.g2.com/sellers/threatlocker-inc) [ (483)4.8 out of 5 ](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews#reviews "Read ThreatLocker Zero Trust Platform Reviews") Product Description ThreatLocker is a global leading Zero Trust Platform designed to empower organizations by providing them with the ability to control which applications are permitted to run on their networks. This sui **Users:** President, CEO · **Industries:** Information Technology and Services, Computer & Network Security · **Market Segment:** 53% Small-Business, 33% Mid-Market ProsCustomer Support, Ease of Use, Threat Detection, Security, Features ConsLearning Curve, Difficult Learning Curve, Difficult Configuration, Complexity, Training Required Year Founded 2017 HQ Location Orlando, Florida, United States Company Website https://www.threatlocker.com Twitter @ThreatLocker LinkedIn® Page https://www.linkedin.com/company/65512111/ ### [Cloudi-Fi](https://www.g2.com/products/cloudi-fi/reviews) [By Cloudi-Fi](https://www.g2.com/sellers/cloudi-fi) [ (1)4.0 out of 5 ](https://www.g2.com/products/cloudi-fi/reviews#reviews "Read Cloudi-Fi Reviews") Product Description Cloudi-Fi’s Cloud Network Access platform combines a cloud Captive portal solution with cloud-NAC and ZTNA IDP to identify and authenticate all users and devices, including Guests, BYOD, IoT, and empl **Market Segment:** 100% Enterprise ProsPerformance Efficiency, Centralized Management, Customization, Ease of Use, Efficiency ConsExpensive, Performance Issues, Unreliable Connectivity Year Founded 2015 HQ Location Greater Paris Metropolitan Region Company Website https://cloudi-fi.com LinkedIn® Page https://www.linkedin.com/company/cloudi-fi ### [Enclave](https://www.g2.com/products/enclave/reviews) [By SideChannel](https://www.g2.com/sellers/sidechannel) [ (1)5.0 out of 5 ](https://www.g2.com/products/enclave/reviews#reviews "Read Enclave Reviews") Product Description Enclave is a modern network segmentation platform that combines – access control, asset inventory, encryption and zero trust network access – to create a breakthrough microsegmentation solution that p **Market Segment:** 100% Small-Business Year Founded 2017 HQ Location Worcester, US Company Website https://sidechannel.com LinkedIn® Page https://www.linkedin.com/company/sidechannelsecurity ### [IronWiFi](https://www.g2.com/products/ironwifi/reviews) [By IronWifi](https://www.g2.com/sellers/ironwifi) [ 0 ratings ](https://www.g2.com/products/ironwifi/reviews#reviews "Read IronWiFi Reviews") Product Description IronWiFi is a cloud-based WiFi authentication and access management platform that eliminates the complexity of on-premises RADIUS servers. Trusted by 1,000+ organizations across 108 countries, IronWiF Year Founded 2014 HQ Location Orlando, FL Company Website https://www.ironwifi.com/ LinkedIn® Page https://www.linkedin.com/company/ironwifi/ ### [OneRADIUS](https://www.g2.com/products/oneradius/reviews) [By ARCR Technologies](https://www.g2.com/sellers/arcr-technologies) [ 0 ratings ](https://www.g2.com/products/oneradius/reviews#reviews "Read OneRADIUS Reviews") Product Description OneRADIUS is an AAA (Authentication, Authorization, Accounting) RADIUS server platform purpose-built for Internet Service Providers, WISPs, and enterprise networks. It centralizes subscriber authenti HQ Location Hyderabad, IN Company Website https://arcrtech.com LinkedIn® Page https://www.linkedin.com/company/arcr-technologies-pvt-ltd/ ### [RCDevs Security Solutions](https://www.g2.com/products/rcdevs-security-solutions/reviews) [By RCDevs](https://www.g2.com/sellers/rcdevs) [ 0 ratings ](https://www.g2.com/products/rcdevs-security-solutions/reviews#reviews "Read RCDevs Security Solutions Reviews") Product Description RCDevs offers a suite of cybersecurity products designed to enhance identity and access management (IAM) for businesses. Their product range focuses on providing secure authentication, seamless user e HQ Location Esch-sur-Alzette, LU Company Website https://www.rcdevs.com Twitter @RCDevs LinkedIn® Page https://www.linkedin.com/company/3152195 [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Spotlight Categories [Audit Management Software Solutions](https://www.g2.com/categories/audit-management) [Threat Intelligence Software](https://www.g2.com/categories/threat-intelligence) [Time Tracking Software](https://www.g2.com/categories/time-tracking-software) [Security Awareness Training Software](https://www.g2.com/categories/security-awareness-training) [Lead Intelligence Software](https://www.g2.com/categories/lead-intelligence) Similar Categories - [Business VPN](/categories/business-vpn) - [DNS Security Solutions](/categories/dns-security-solutions) - [Firewall Software](/categories/firewall-software) - [Intrusion Detection and Prevention Systems (IDPS)](/categories/intrusion-detection-and-prevention-systems-idps) - [Microsegmentation](/categories/microsegmentation) - [Network Detection and Response (NDR)](/categories/network-detection-and-response-ndr) - [Network Sandboxing](/categories/network-sandboxing) - [Network Security Policy Management (NSPM)](/categories/network-security-policy-management-nspm) - [Network Traffic Analysis (NTA)](/categories/network-traffic-analysis-nta) - [Software-Defined Perimeter (SDP)](/categories/software-defined-perimeter-sdp) - [Unified Threat Management (UTM)](/categories/unified-threat-management-utm) [Browse Network Access Control (NAC) Themes](/categories/network-access-control-nac/themes)