diff --git a/implementations.md b/implementations.md
index 917cfda1..c341b754 100644
--- a/implementations.md
+++ b/implementations.md
@@ -38,162 +38,162 @@ Validators
- .NET
- - Json.NET (MIT)
- - NJsonSchema - *supports version 4* (Ms-PL)
+ - [Json.NET](http://james.newtonking.com/projects/json-net.aspx) (MIT)
+ - [NJsonSchema](http://NJsonSchema.org) - *supports version 4* (Ms-PL)
- ActionScript 3
- - Frigga (MIT)
+ - [Frigga](https://github.com/raulbajales/Frigga) (MIT)
- C
- - WJElement (LGPLv3)
+ - [WJElement](https://github.com/netmail-open/wjelement) (LGPLv3)
- C++
- - wjelement-cpp - *supports version 4* (LGPLv3)
- - Header-only C++ library for JSON Schema validation - *supports only version 4* (BSD-2-Clause)
- - Modern C++ JSON schema validator - *supports only version 4* based on JSON for Modern C++ (MIT)
+ - [wjelement-cpp](https://github.com/petehug/wjelement-cpp) - *supports version 4* (LGPLv3)
+ - [Header-only C++ library for JSON Schema validation](https://github.com/tristanpenman/valijson) - *supports only version 4* (BSD-2-Clause)
+ - [Modern C++ JSON schema validator](https://github.com/pboettch/json-schema-validator) - *supports only version 4* based on JSON for Modern C++ (MIT)
- Clojure
- - scjsv - *supports version 4* (wrapper for [fge/json-schema-validator](https://github.com/fge/json-schema-validator)) (Eclipse Public License v1.0)
+ - [scjsv](https://github.com/metosin/scjsv) - *supports version 4* (wrapper for [fge/json-schema-validator](https://github.com/fge/json-schema-validator)) (Eclipse Public License v1.0)
- Dart
- - json_schema *supports version 4* (BSL-1.0)
+ - [json_schema](https://github.com/patefacio/json_schema) *supports version 4* (BSL-1.0)
- Erlang
- - JeSSE (Apache 2.0)
+ - [JeSSE](https://github.com/for-GET/jesse) (Apache 2.0)
- Go
- - gojsonschema (Apache 2.0)
- - jsonschema *supports version 4* (BSD-3-Clause)
+ - [gojsonschema](https://github.com/sigu-399/gojsonschema) (Apache 2.0)
+ - [jsonschema](https://github.com/santhosh-tekuri/jsonschema) *supports version 4* (BSD-3-Clause)
- Haskell
- - aeson-schema (MIT)
- - hjsonschema - *supports version 4* (MIT)
+ - [aeson-schema](https://github.com/timjb/aeson-schema) (MIT)
+ - [hjsonschema](https://github.com/seagreen/hjsonschema) - *supports version 4* (MIT)
- Java
- - json-schema-validator - *supports version 4* (LGPLv3)
- - json-schema (implementation based on the org.json API) - *supports version 4* (Apache License 2.0)
- - json-schema-validator - *supports version 4* (Apache License 2.0)
+ - [json-schema-validator](https://github.com/fge/json-schema-validator) - *supports version 4* (LGPLv3)
+ - [json-schema (implementation based on the org.json API)](https://github.com/everit-org/json-schema) - *supports version 4* (Apache License 2.0)
+ - [json-schema-validator](https://github.com/networknt/json-schema-validator) - *supports version 4* (Apache License 2.0)
- JavaScript
- - ajv for Node.js and browsers - *supports version 4, version 6, [custom keywords](https://github.com/epoberezkin/ajv-keywords) and [$data reference](https://github.com/json-schema-org/json-schema-spec/issues/51)* (MIT)
- - djv for Node.js and browsers - *supports version 4* (MIT)
- - jsonschema for Node.js - *supports version 4* (MIT)
- - is-my-json-valid - *supports version 4* (MIT)
- - tv4 - *supports version 4* (Public Domain)
- - JaySchema for Node.js - *supports version 4* (BSD)
- - z-schema for Node.js - *supports version 4* (MIT)
- - direct-schema (BSD)
- - JSV (BSD)
- - json-schema (AFL or BSD) as part of Persevere
- - schema.js (MIT)
- - json-gate (MIT)
- - JSEN for Node.js - *supports version 4* (MIT)
+ - [ajv](https://github.com/epoberezkin/ajv) for Node.js and browsers - *supports version 4, version 6, [custom keywords](https://github.com/epoberezkin/ajv-keywords) and [$data reference](https://github.com/json-schema-org/json-schema-spec/issues/51)* (MIT)
+ - [djv](https://github.com/korzio/djv) for Node.js and browsers - *supports version 4* (MIT)
+ - [jsonschema](https://github.com/tdegrunt/jsonschema) for Node.js - *supports version 4* (MIT)
+ - [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid) - *supports version 4* (MIT)
+ - [tv4](http://geraintluff.github.com/tv4/) - *supports version 4* (Public Domain)
+ - [JaySchema](https://github.com/natesilva/jayschema) for Node.js - *supports version 4* (BSD)
+ - [z-schema](https://github.com/zaggino/z-schema) for Node.js - *supports version 4* (MIT)
+ - [direct-schema](http://github.com/IreneKnapp/direct-schema) (BSD)
+ - [JSV](http://github.com/garycourt/JSV) (BSD)
+ - [json-schema (AFL or BSD) as part of Persevere](http://github.com/kriszyp/json-schema)
+ - [schema.js](https://github.com/akidee/schema.js) (MIT)
+ - [json-gate](https://github.com/oferei/json-gate) (MIT)
+ - [JSEN](https://github.com/bugventure/jsen) for Node.js - *supports version 4* (MIT)
- PHP
- - jsv4-php - *supports version 4* (Public Domain / MIT)
- - php-json-schema (MIT)
- - json-schema (Berkeley)
- - JVal - *supports version 4* (MIT)
- - JSON Guard - *supports version 4* (MIT)
+ - [jsv4-php](https://github.com/geraintluff/jsv4-php) - *supports version 4* (Public Domain / MIT)
+ - [php-json-schema](https://github.com/hasbridge/php-json-schema) (MIT)
+ - [json-schema](https://github.com/justinrainbow/json-schema) (Berkeley)
+ - [JVal](https://github.com/stefk/jval) - *supports version 4* (MIT)
+ - [JSON Guard](https://github.com/thephpleague/json-guard) - *supports version 4* (MIT)
- Perl
- - JSV::Validator (MIT)
- - JSON::Schema (MIT)
+ - [JSV::Validator](https://metacpan.org/module/JSV::Validator) (MIT)
+ - [JSON::Schema](https://metacpan.org/module/JSON::Schema) (MIT)
- Python
- - jsonschema - *supports version 4* (MIT)
- - json-schema-validator (LGPL)
+ - [jsonschema](https://github.com/Julian/jsonschema) - *supports version 4* (MIT)
+ - [json-schema-validator](https://github.com/zyga/json-schema-validator) (LGPL)
- Ruby
- - ruby-jsonschema (MIT)
- - json-schema - *supports version 4* (MIT)
+ - [ruby-jsonschema](https://github.com/Constellation/ruby-jsonchema) (MIT)
+ - [json-schema](https://github.com/hoxworth/json-schema) - *supports version 4* (MIT)
### Online
-- JSON Schema Lint - validate against your own schemas
-- SchemaStore.org - validate against common JSON Schemas
+- [JSON Schema Lint](http://jsonschemalint.com/) - validate against your own schemas
+- [SchemaStore.org](http://schemastore.org/validator/) - validate against common JSON Schemas
Validation benchmarks
---------------------
- Java
- - json-schema-validator-benchmark - compares performance of three JSON schema validator implementations in Java(Apache 2.0)
+ - [json-schema-validator-benchmark](https://github.com/networknt/json-schema-validator-perftest) - compares performance of three JSON schema validator implementations in Java(Apache 2.0)
- JavaScript
- - json-schema-benchmark - an independent benchmark for Node.js JSON-schema validators based on JSON-Schema Test Suite (MIT)
- - z-schema validator benchmark - compares performance in the individual tests from JSON-Schema Test Suite (MIT)
- - JSCK validator benchmark - shows performance for JSON-schemas of different complexity (MIT)
+ - [json-schema-benchmark](https://github.com/ebdrup/json-schema-benchmark) - an independent benchmark for Node.js JSON-schema validators based on JSON-Schema Test Suite (MIT)
+ - [z-schema validator benchmark](https://github.com/zaggino/z-schema#benchmarks) - compares performance in the individual tests from JSON-Schema Test Suite (MIT)
+ - [JSCK validator benchmark](https://github.com/pandastrike/jsck#benchmarks) - shows performance for JSON-schemas of different complexity (MIT)
Schema generation
-----------------
- .NET
- - Json.NET (MIT) - generates schemas from .NET types
- - NJsonSchema - *supports version 4* (Ms-PL) - generates schemas from .NET types
+ - [Json.NET](http://james.newtonking.com/projects/json-net.aspx) (MIT) - generates schemas from .NET types
+ - [NJsonSchema](http://NJsonSchema.org) - *supports version 4* (Ms-PL) - generates schemas from .NET types
- PHP
- - Liform (MIT) - generates schemas from Symfony forms
+ - [Liform](https://github.com/Limenius/liform) (MIT) - generates schemas from Symfony forms
- Python
- - JSL (BSD) - a Python DSL for defining JSON Schemas
+ - [JSL](https://github.com/aromanovich/jsl) (BSD) - a Python DSL for defining JSON Schemas
- Scala
- - Schema Guru (Apache 2.0) - CLI util, Spark Job and Web UI for deriving JSON Schemas out of corpus of JSON instances
+ - [Schema Guru](https://github.com/snowplow/schema-guru) (Apache 2.0) - CLI util, Spark Job and Web UI for deriving JSON Schemas out of corpus of JSON instances
- TypeScript
- - typescript-json-schema
- - Typson (Apache 2.0)
+ - [typescript-json-schema](https://github.com/YousefED/typescript-json-schema)
+ - [Typson](https://github.com/lbovet/typson) (Apache 2.0)
- Online (web tool)
- [jsonschema.net](http://www.jsonschema.net/) - generates schemas from example data
- - Schema Guru Web UI - derives precise Schemas using several JSON instances. Based on [Schema Guru](link-impl-guru)
+ - [Schema Guru Web UI](http://schemaguru.snowplowanalytics.com/) - derives precise Schemas using several JSON instances. Based on [Schema Guru](link-impl-guru)
- Visual Studio
- - JSON Schema Generator - free extension
+ - [JSON Schema Generator](http://visualstudiogallery.msdn.microsoft.com/b4515ef8-a518-41ca-b48c-bb1fd4e6faf7) - free extension
- Sparx Enterprise Architect
- - API-Add-In - Sparx EA extension for exporting JSON Schema from UML models
+ - [API-Add-In](https://github.com/bayeslife/api-add-in) - Sparx EA extension for exporting JSON Schema from UML models
Data parsing
------------
- Haskell
- - aeson-schema (MIT) - generates code for a parser
+ - [aeson-schema](https://github.com/timjb/aeson-schema) (MIT) - generates code for a parser
- Ruby
- - autoparse (ASL 2.0)
+ - [autoparse](https://github.com/google/autoparse) (ASL 2.0)
- Scala
- - json-schema-codegen - Tool and SBT plugin for generating Scala, TypeScript models and parsers from Json-Schema definitions, *supports version 4* (Apache 2.0)
- - Argus (MIT) - Macros for building models from JSON Schemas
+ - [json-schema-codegen](https://github.com/VoxSupplyChain/json-schema-codegen) - Tool and SBT plugin for generating Scala, TypeScript models and parsers from Json-Schema definitions, *supports version 4* (Apache 2.0)
+ - [Argus](https://github.com/aishfenton/argus) (MIT) - Macros for building models from JSON Schemas
UI generation
-------------
- JavaScript
- - Jsonary - *supports version 4* (MIT)
- - Metawidget (LGPL)
- - Liform-react (MIT)
- - JSON Forms (MIT)
+ - [Jsonary](http://jsonary.com/) - *supports version 4* (MIT)
+ - [Metawidget](http://metawidget.org/) (LGPL)
+ - [Liform-react](https://github.com/Limenius/liform-react) (MIT)
+ - [JSON Forms](http://jsonforms.io) (MIT)
Editors
-------
-- Liquid XML Studio 2016 - *Graphical JSON schema editor for v4, context sensitive intellisense for JSON documents.*
-- Visual Studio 2013 - *Auto-completion and tooltips based on JSON schema v3 and v4*
-- JSONBuddy - *Grid-style JSON editor and context sensitive entry-helpers based on JSON schema*
-- ReSharper 2016.1 - *code completion, inspections and quick fixes for JSON schema in Visual Studio 2010 - 2015, including support for JSON Path and regular expressions for schema editing*
-- Visual Studio Code - *Schema driven code completion, hovers and validation for editing JSON files (including schemas)*
-- JSONEditor Online - *View, edit, format, and validate JSON online*
-- Json Schema Editor - *An intuitive editor for json schema online*
+- [Liquid XML Studio 2016](https://www.liquid-technologies.com/json-schema-editor) - *Graphical JSON schema editor for v4, context sensitive intellisense for JSON documents.*
+- [Visual Studio 2013](http://www.visualstudio.com/) - *Auto-completion and tooltips based on JSON schema v3 and v4*
+- [JSONBuddy](http://www.json-buddy.com/) - *Grid-style JSON editor and context sensitive entry-helpers based on JSON schema*
+- [ReSharper 2016.1](https://www.jetbrains.com/resharper/) - *code completion, inspections and quick fixes for JSON schema in Visual Studio 2010 - 2015, including support for JSON Path and regular expressions for schema editing*
+- [Visual Studio Code](https://code.visualstudio.com/) - *Schema driven code completion, hovers and validation for editing JSON files (including schemas)*
+- [JSONEditor Online](http://jsoneditoronline.org) - *View, edit, format, and validate JSON online*
+- [Json Schema Editor](https://json-schema-editor.tangramjs.com) - *An intuitive editor for json schema online*
Compatibility
-------------
- JavaScript
- - JSON Schema Compatibility - *converts v3 to v4* (Public Domain)
+ - [JSON Schema Compatibility](https://github.com/geraintluff/json-schema-compatability) - *converts v3 to v4* (Public Domain)
Hyper-schema handling
---------------------
- JavaScript
- - Jsonary - *supports version 4* (MIT)
+ - [Jsonary](http://jsonary.com/) - *supports version 4* (MIT)
- Scala
- - json-schema-parser - Schema parser and validator, *supports version 4* (Apache 2.0)
+ - [json-schema-parser](https://github.com/VoxSupplyChain/json-schema-parser) - Schema parser and validator, *supports version 4* (Apache 2.0)
Documentation generation
------------------------
- JavaScript
- - Matic (MIT)
- - Docson (Apache 2.0)
- - doca (BSD)
+ - [Matic](https://github.com/mattyod/matic) (MIT)
+ - [Docson](https://github.com/lbovet/docson) (Apache 2.0)
+ - [doca](https://github.com/cloudflare/doca/) (BSD)
Other
-----
- JavaScript
- - Orderly (BSD)
- - Dojo (AFL or BSD) - supports some aspects of JSON Schema
- - Schematic Ipsum (MIT)
- - JSON-Schema-Instantiator (MIT)
- - JSON Schema Random (Apache 2.0)
+ - [Orderly](http://orderly-json.org) (BSD)
+ - [Dojo](http://www.dojotoolkit.org/) (AFL or BSD) - supports some aspects of JSON Schema
+ - [Schematic Ipsum](http://schematic-ipsum.herokuapp.com/) (MIT)
+ - [JSON-Schema-Instantiator](https://github.com/tomarad/JSON-Schema-Instantiator) (MIT)
+ - [JSON Schema Random](https://github.com/andreineculau/json-schema-random) (Apache 2.0)