Life & fun · alternatives · 2026
24 alternatives to MetaDefender NetWall
Next-Level Data Diode and Security Gateway Solutions
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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To power the firewalling for our agents so that they couldn't contact arbitrary services, I build netfence. It's like Envoy but for eBPF filters. It allows you to define different DNS-based rules that are resolved in a local daemon to IPs, then pushed to the eBPF filter to allow traffic. By doing it this way, we can still allow DNS-defined rules, but prevent contacting random IPs. There's also no network performance penalty, since it's just DNS lookups and eBPF filters referencing memory. It also means you don't have to tamper with the base image, which the agent could potentially manipulate…
Jan 2026 · github.com · its alternatives →
- 3
NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids — on all devices and on all networks.
2019 · nextdns.io · its alternatives →
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Expose local http, tcp or websocket connections to the public internet - amalshaji/portr
2024 · github.com · its alternatives →
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FireWally▲156A free Mac firewall powered by Apple Intelligence
Dec 2025 · apps.apple.com · its alternatives →
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BruteBank▲89Block server and website attacks from your phone
2020 · brutebank.io · its alternatives →
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Beam▲101Encrypted router protecting your data, location and devices
2018 · xpocalypse.org · its alternatives →
- 9TI
2020 · theinternetportal.net · its alternatives →
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Metaplane▲136Datadog for data — data quality alerts before users ping you
2021 · metaplane.dev · its alternatives →
- 11
ServiceRadar is an open-source platform for distributed, secure network management and observability, scaling to 100k+ devices. Born from frustration with complex traditional NMS tools like Zabbix, it bridges legacy (SNMP/syslog) and modern (gNMI, OTLP) protocols for cloud-native environments. We built ServiceRadar to simplify monitoring hybrid telecom networks, evolving it into a Kubernetes-native solution with Helm and Docker support. It uses mTLS with SPIFFE/SPIRE, NATS JetStream for event streaming (90M+ EPS), and SRQL for intuitive queries. Integrated with OpenTelemetry,…
2025 · github.com · its alternatives →
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ActivShield▲117Control your website traffic with click and block technology
2017 · its alternatives →
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Radar Relay▲78A secure and trustless way to trade cryptocurrencies.
2017 · geckoterminal.com · its alternatives →
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Flter▲107Privacy and security router. A filter for your internet
2017 · flter.me · its alternatives →
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MetaShield▲102A chrome extension to keep your ETH & NFTs safe from scams
2021 · chromewebstore.google.com · its alternatives →
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Radar Relay▲74Secure cryptocurrency trading directly from your wallet
2018 · geckoterminal.com · its alternatives →
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WebWall▲74See how websites use your data and block trackers & threats
2021 · trywebwall.com · its alternatives →
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FAST command to manage a centralised wireguard VPN. Think wg-quick but quicker: key generation + address allocation. - naggie/dsnet
2020 · github.com · its alternatives →
- 19
PandwaRF: RF analysis tool with a sub-1 GHz wireless transceiver controlled by a smartphone or - Home · ComThings/PandwaRF Wiki
2016 · github.com · its alternatives →
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ThreatStream▲60Real-time intelligence to defend a network from cyber threat
2014 · anomali.com · its alternatives →
- 21
Securing your data, simplifying your life
2025 · phalanx.io · its alternatives →
- 22
2020 · github.com · its alternatives →
- 23OI
2013 · onions.io · its alternatives →
- 24OS
2024 · defguard.net · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →