diff --git a/types/rdfjs__fetch-lite/index.d.ts b/types/rdfjs__fetch-lite/index.d.ts
new file mode 100644
index 0000000000..b5254f426d
--- /dev/null
+++ b/types/rdfjs__fetch-lite/index.d.ts
@@ -0,0 +1,33 @@
+// Type definitions for @rdfjs/fetch-lite 2.0
+// Project: https://github.com/rdfjs-base/fetch-lite
+// Definitions by: tpluscode <https://github.com/tpluscode>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { DatasetCoreFactory, DatasetCore, Quad, Stream, BaseQuad } from 'rdf-js';
+import formats = require('@rdfjs/formats-common');
+
+declare namespace rdfFetch {
+    interface FormatsInit extends RequestInit {
+        formats: Pick<typeof formats, 'parsers'>;
+        fetch?: typeof fetch;
+    }
+
+    interface FactoryInit<D extends DatasetCore<OutQuad, InQuad>, OutQuad extends BaseQuad = Quad, InQuad extends BaseQuad = OutQuad> extends FormatsInit {
+        factory: DatasetCoreFactory<OutQuad, InQuad, D>;
+    }
+
+    interface RdfFetchResponse<Q extends BaseQuad = Quad> extends Response {
+        quadStream(): Stream<Q>;
+    }
+
+    interface DatasetResponse<D extends DatasetCore<OutQuad, InQuad>, OutQuad extends BaseQuad = Quad, InQuad extends BaseQuad = OutQuad> extends RdfFetchResponse<OutQuad> {
+        dataset(): D;
+    }
+}
+
+declare function rdfFetch(url: string, options: rdfFetch.FormatsInit): Promise<rdfFetch.RdfFetchResponse>;
+declare function rdfFetch <D extends DatasetCore<OutQuad, InQuad>, OutQuad extends BaseQuad = Quad, InQuad extends BaseQuad = OutQuad>(
+    url: string,
+    options: rdfFetch.FactoryInit<D, OutQuad, InQuad>): Promise<rdfFetch.DatasetResponse<D, OutQuad, InQuad>>;
+
+export = rdfFetch;
diff --git a/types/rdfjs__fetch-lite/rdfjs__fetch-lite-tests.ts b/types/rdfjs__fetch-lite/rdfjs__fetch-lite-tests.ts
new file mode 100644
index 0000000000..13b9aa67ab
--- /dev/null
+++ b/types/rdfjs__fetch-lite/rdfjs__fetch-lite-tests.ts
@@ -0,0 +1,37 @@
+import fetch = require('@rdfjs/fetch-lite');
+import { SinkMap } from '@rdfjs/sink-map';
+import { Stream, Dataset, Quad, DatasetCoreFactory } from 'rdf-js';
+import { EventEmitter } from 'events';
+
+const formats: {
+    parsers: SinkMap<EventEmitter, Stream>;
+} = <any> {};
+
+async function fetchString(): Promise<string> {
+    const response = await fetch('http://example.com', { formats });
+    return response.text();
+}
+
+async function fetchQuadStream(): Promise<Stream> {
+    const response = await fetch('http://example.com', { formats });
+    return response.quadStream();
+}
+
+interface QuadExt extends Quad {
+    toCanonical(): string;
+}
+
+interface DatasetX extends Dataset<QuadExt> {
+    toCanonical(): string;
+}
+const factory: DatasetCoreFactory<QuadExt, QuadExt, DatasetX> = <any> {};
+
+async function fetchDataset(): Promise<DatasetX> {
+    const response = await fetch('http://example.com', { formats, factory });
+    return response.dataset();
+}
+
+async function fetchTypedStream(): Promise<Stream<QuadExt>> {
+    const response = await fetch('http://example.com', { formats, factory });
+    return response.quadStream();
+}
diff --git a/types/rdfjs__fetch-lite/tsconfig.json b/types/rdfjs__fetch-lite/tsconfig.json
new file mode 100644
index 0000000000..0de85aa88e
--- /dev/null
+++ b/types/rdfjs__fetch-lite/tsconfig.json
@@ -0,0 +1,35 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": false,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "paths": {
+            "@rdfjs/fetch-lite": [
+                "rdfjs__fetch-lite"
+            ],
+            "@rdfjs/formats-common": [
+                "rdfjs__formats-common"
+            ],
+            "@rdfjs/sink-map": [
+                "rdfjs__sink-map"
+            ]
+        }
+    },
+    "files": [
+        "index.d.ts",
+        "rdfjs__fetch-lite-tests.ts"
+    ]
+}
diff --git a/types/rdfjs__fetch-lite/tslint.json b/types/rdfjs__fetch-lite/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/rdfjs__fetch-lite/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }
diff --git a/types/rdfjs__formats-common/index.d.ts b/types/rdfjs__formats-common/index.d.ts
new file mode 100644
index 0000000000..62ae7eb667
--- /dev/null
+++ b/types/rdfjs__formats-common/index.d.ts
@@ -0,0 +1,15 @@
+// Type definitions for @rdfjs/formats-common 2.0
+// Project: https://github.com/rdfjs-base/formats-common
+// Definitions by: tpluscode <https://github.com/tpluscode>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { SinkMap } from '@rdfjs/sink-map';
+import { Stream } from 'rdf-js';
+import { EventEmitter } from 'events';
+
+declare const formats: {
+    parsers: SinkMap<EventEmitter, Stream>;
+    serializers: SinkMap<Stream, EventEmitter>;
+};
+
+export = formats;
diff --git a/types/rdfjs__formats-common/rdfjs__formats-common-tests.ts b/types/rdfjs__formats-common/rdfjs__formats-common-tests.ts
new file mode 100644
index 0000000000..98d0e633dc
--- /dev/null
+++ b/types/rdfjs__formats-common/rdfjs__formats-common-tests.ts
@@ -0,0 +1,7 @@
+import formats = require('@rdfjs/formats-common');
+import { Stream } from 'rdf-js';
+import { SinkMap } from '@rdfjs/sink-map';
+import { EventEmitter } from 'events';
+
+const parsers: SinkMap<EventEmitter, Stream> = formats.parsers;
+const serializers: SinkMap<Stream, EventEmitter> = formats.serializers;
diff --git a/types/rdfjs__formats-common/tsconfig.json b/types/rdfjs__formats-common/tsconfig.json
new file mode 100644
index 0000000000..618f9481f2
--- /dev/null
+++ b/types/rdfjs__formats-common/tsconfig.json
@@ -0,0 +1,31 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "paths": {
+            "@rdfjs/sink-map": [
+                "rdfjs__sink-map"
+            ],
+            "@rdfjs/formats-common": [
+                "rdfjs__formats-common"
+            ]
+        }
+    },
+    "files": [
+        "index.d.ts",
+        "rdfjs__formats-common-tests.ts"
+    ]
+}
diff --git a/types/rdfjs__formats-common/tslint.json b/types/rdfjs__formats-common/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/rdfjs__formats-common/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }